2^{15}=32768 and the sum of its digits is 3+2+7+6+8=26.

What is the sum of the digits of the number 2^{1000}?

https://projecteuler.net/problem=16

>>> sum(int(digit) for digit in str(2**1000)) 1366

Well, that was easy.

2^{15}=32768 and the sum of its digits is 3+2+7+6+8=26.

What is the sum of the digits of the number 2^{1000}?

https://projecteuler.net/problem=16

>>> sum(int(digit) for digit in str(2**1000)) 1366

Well, that was easy.