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317930872992 = 2533311779927
BaseRepresentation
bin1001010000001100010…
…10000010000010100000
31010101122011000202100020
410220012022002002200
520202110300413432
6402015545553440
731653423555105
oct4500612020240
91111564022306
10317930872992
111129197645a7
125174a4a5880
1323c99937b25
14115606d6aac
15840b96022c
hex4a062820a0

317930872992 has 24 divisors (see below), whose sum is σ = 834568541856. Its totient is φ = 105976957632.

The previous prime is 317930872981. The next prime is 317930873009. The reversal of 317930872992 is 299278039713.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1655889868 + ... + 1655890059.

It is an arithmetic number, because the mean of its divisors is an integer number (34773689244).

Almost surely, 2317930872992 is an apocalyptic number.

317930872992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

317930872992 is an abundant number, since it is smaller than the sum of its proper divisors (516637668864).

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

317930872992 is a wasteful number, since it uses less digits than its factorization.

317930872992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311779940 (or 3311779932 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 317930872992 in words is "three hundred seventeen billion, nine hundred thirty million, eight hundred seventy-two thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 3311779927 6623559854 9935339781 13247119708 19870679562 26494239416 39741359124 52988478832 79482718248 105976957664 158965436496 317930872992