http://www.cs.ucla.edu/~klinger/sizewords.html
The following very large number was found by Peter Montgomery.
[Further information: see
New Number and
Modulo n.]
It is the
second known
example
of an integer number n such that n | 2^n -3 (n evenly divides 2 raised
to the nth power, that result then reduced by 3).
63130707451134435989380140059866138830623361447484274774099906755 =
63,130,707,451,134,435,989,380,140,059,866,138,830,623,361,447,484,274,774,099,906,755 =
63 vigintillions,
130 novemdecillions
707 octodecillions,
451 septendecillions,
134 sexdecillions,
435 quindecillions,
989 quattuordecillions,
380 tredecillions,
140 duodecillions,
59 undecillions,
866 decillions,
138 nonillions,
830 octillions,
623 septillions,
361 sextillions,
447 quintillions,
484 quadrillions,
274 trillions,
774 billions,
99 millions,
906 thousands,
755 (see below re V. Ramirez).
