MathDB
Chisinau MO p3 1949-56 VIII-IX N = 10 ...050...01 not a perfect cube

Source:

March 15, 2021
number theoryperfect cubegeometry3D geometry

Problem Statement

Prove that the number N=10...050...01N = 10 ...050...01 (1, 49 zeros, 5 , 99 zeros, 1) is a not cube of an integer.