154! = 30897696138473508879585646703632404659201907040888820477871589289865505687886666220300447285640952619071680544337494109264649994680187591361311072737951454695525676891035640863743200899694758450943586711068571022031011228320107310612480000000000000000000000000000000000000
* 272 basamak