Perfect Square
71651465378839699600 is a perfect square (8464718860 × 8464718860)
71651465378839699600 is a perfect square (8464718860 × 8464718860)
71651465378839699600 is even
Previous even number is 71651465378839699598
Next even number is 71651465378839699602
367853786131534005017031946673771120769328199535055936000000
111110001001011101001001000010001011100101111100001010000010010000