Describe Yourself?
Number Theory
Level
3
Find the ten digit Number which describes itself i.e first digit tells us the number of 0's in the number, second digit tells us the number of 1's in the number and so on.
Ex. 21200 is a 5 digit number that describes itself.
The answer is 6210001000.
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6210001000 -The last digits must be zero, then you have to put a number of that zeros in tge first place (6) and so on you get it right