35173...99999 (218-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

                                                                    35173780
9231094527 7750959236 7006557398 5399363289 7809835242 7605879843 9986639909
0362863487 4024098344 2874025040 4360841611 3016679717 9419373080 4101230736
8528117622 0067273113 5999999999 9999999999 9999999999 9999999999 9999999999

The number of different unsolved configurations that can be reached on an 8-by-8-by-8 Rubik's Cube.