# Power digit sum
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# Problem 16
# 2^15 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26.
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# What is the sum of the digits of the number 2^1000?

power = 2**1000
digit_string_list = list(str(power))

sum(list(map(int, digit_string_list)))
# 1366
