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2021 Malaysia IMONST 1
9
sum of digits (10^{2021} + 2021)^2 2021 Malaysia IMONST 1 Senior P9
sum of digits (10^{2021} + 2021)^2 2021 Malaysia IMONST 1 Senior P9
Source:
September 21, 2021
number theory
sum of digits
Problem Statement
Find the sum of (decimal) digits of the number
(
1
0
2021
+
2021
)
2
(10^{2021} + 2021)^2
(
1
0
2021
+
2021
)
2
?
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