MathCastle
Number TheoryChallengeFermat, Euler and Wilson

Fermat, Euler and Wilson · Challenge problem

Let N=12026+22026+⋯+20262026N = 1^{2026} + 2^{2026} + \cdots + 2026^{2026}, one term for each integer from 11 to 20262026. What is N mod 11N \bmod 11?