All buzzkill for just one number-Part 2

I have a 10 digit number in mind, you can obtain the digits of the number from left to right by following the points below.

  • If m , n m,n are positive integers and coprime to each other, if the number of integer solution(s) to the equation m + n = a m+n=a is 36 then the 5th smallest such a a will give you my first two digits.

  • The sum of all the quadratic residues of 472 is 177 times k k , here k k gives the next three digit of my number.

  • The 7th smallest positive integer p p which is 2 less than a prime number and whose sum of quadratic residue is 1 less than a prime number, then reversing digits of p p gives you the next 2 digits of my number.

  • Let 1 < p , q < 1000 1<p,q<1000 , such that p , q p,q are both prime numbers with ϕ ( p ) \phi(p) is the sum of all quadratic residues of q q and if for largest p p , q = 10 A + B q=10A+B where A , B A,B are positive integers. A A is the third last digit of my number and B B is the last digit of my number.

  • The second last digit of my number is 1.

Details and assumptions :

  • Quadratic residues of a number n n are the possible remainders when square of any integer is divided by n n .

For example, any square integer can give remainder only from ( 0 , 1 , 4 , 5 , 6 , 9 ) (0,1,4,5,6,9) when divided by 10 10 , so 10 10 has six quadratic residues and their sum is 0 + 1 + 4 + 5 + 6 + 9 = 25 0+1+4+5+6+9=25


Here are links, if you want clarification regarding concepts used in the problem.

You may try an easier version of the problem by Aditya Raut here


The answer is 7611015413.

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