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12957749682876 = 22324392281359449
BaseRepresentation
bin1011110010001111011000…
…0100010010001010111100
31200212202012212002001000100
42330203312010102022330
53144244432404323001
643320412533401100
72505111055003305
oct274436604221274
950782185061010
1012957749682876
114146394985139
121553370199190
1372cbab63797b
1432b230a3d7ac
151770da344586
hexbc8f61122bc

12957749682876 has 72 divisors (see below), whose sum is σ = 32843406596000. Its totient is φ = 4307509808640.

The previous prime is 12957749682859. The next prime is 12957749682901. The reversal of 12957749682876 is 67828694775921.

12957749682876 is a `hidden beast` number, since 1 + 2 + 9 + 57 + 7 + 496 + 8 + 2 + 8 + 76 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12957749682795 and 12957749682804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35869200 + ... + 36228648.

Almost surely, 212957749682876 is an apocalyptic number.

It is an amenable number.

12957749682876 is an abundant number, since it is smaller than the sum of its proper divisors (19885656913124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12957749682876 is a wasteful number, since it uses less digits than its factorization.

12957749682876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362179 (or 362174 counting only the distinct ones).

The product of its digits is 5120962560, while the sum is 81.

The spelling of 12957749682876 in words is "twelve trillion, nine hundred fifty-seven billion, seven hundred forty-nine million, six hundred eighty-two thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 439 878 1317 1756 2281 2634 3951 4562 5268 6843 7902 9124 13686 15804 20529 27372 41058 82116 359449 718898 1001359 1078347 1437796 2002718 2156694 3004077 3235041 4005436 4313388 6008154 6470082 9012231 12016308 12940164 18024462 36048924 157798111 315596222 473394333 631192444 819903169 946788666 1420182999 1639806338 1893577332 2459709507 2840365998 3279612676 4919419014 5680731996 7379128521 9838838028 14758257042 29516514084 359937491191 719874982382 1079812473573 1439749964764 2159624947146 3239437420719 4319249894292 6478874841438 12957749682876