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12892968892172 = 226635894857287
BaseRepresentation
bin1011101110011110000011…
…0101001011011100001100
31200122120000011120220022202
42323213200311023130030
53142214300014022142
643230540444301032
72500325534242265
oct273474065133414
950576004526282
1012892968892172
114120971903286
1215428b1241778
13726a565a0755
1432804726b96c
1517559803b032
hexbb9e0d4b70c

12892968892172 has 12 divisors (see below), whose sum is σ = 22562734207440. Its totient is φ = 6446473404336.

The previous prime is 12892968892169. The next prime is 12892968892247. The reversal of 12892968892172 is 27129886929821.

It is a self number, because there is not a number n which added to its sum of digits gives 12892968892172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225713 + ... + 5082999.

It is an arithmetic number, because the mean of its divisors is an integer number (1880227850620).

Almost surely, 212892968892172 is an apocalyptic number.

It is an amenable number.

12892968892172 is a deficient number, since it is larger than the sum of its proper divisors (9669765315268).

12892968892172 is a wasteful number, since it uses less digits than its factorization.

12892968892172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520880 (or 5520878 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 74.

The spelling of 12892968892172 in words is "twelve trillion, eight hundred ninety-two billion, nine hundred sixty-eight million, eight hundred ninety-two thousand, one hundred seventy-two".

Divisors: 1 2 4 663589 1327178 2654356 4857287 9714574 19429148 3223242223043 6446484446086 12892968892172