Can you solve it?
Number Theory
Level
3
When is written in decimal notation,the sum of its digits is A.Let B be the sum of digits of A.Find the sum of digits of B.
The answer is 7.
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1 solution
In Python: x = sum([int(k) for k in list(str(sum([int(j) for j in list(str(sum([int(i) for i in list(str(pow(4444,4444)))])))])))]) ----> print(x)