Perfect Square
816395661379166871403040644 is a perfect square (28572638334238 × 28572638334238)
816395661379166871403040644 is a perfect square (28572638334238 × 28572638334238)
816395661379166871403040644 is even
Previous even number is 816395661379166871403040642
Next even number is 816395661379166871403040646
544129239801124786100160527177812599546437945086109465705305612919437405059409984
101010001101001110100000010111101111010111001001011110000110011110101001110000111110000100