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12431658192320 = 26538848931851
BaseRepresentation
bin1011010011100111100010…
…0100100000110111000000
31122000110021122010021101202
42310321320210200313000
53112140013444123240
642235005215120332
72422105036060223
oct264717044406700
948013248107352
1012431658192320
113a63266a58704
1214894092130a8
136c23b9ac1cb3
1430d9a450b5ba
15168598cd9315
hexb4e78920dc0

12431658192320 has 28 divisors (see below), whose sum is σ = 29602886071224. Its totient is φ = 4972663276800.

The previous prime is 12431658192307. The next prime is 12431658192379. The reversal of 12431658192320 is 2329185613421.

It is a super-2 number, since 2×124316581923202 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19424465606 + ... + 19424466245.

Almost surely, 212431658192320 is an apocalyptic number.

12431658192320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12431658192320 is an abundant number, since it is smaller than the sum of its proper divisors (17171227878904).

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

12431658192320 is an equidigital number, since it uses as much as digits as its factorization.

12431658192320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38848931868 (or 38848931858 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 12431658192320 in words is "twelve trillion, four hundred thirty-one billion, six hundred fifty-eight million, one hundred ninety-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 38848931851 77697863702 155395727404 194244659255 310791454808 388489318510 621582909616 776978637020 1243165819232 1553957274040 2486331638464 3107914548080 6215829096160 12431658192320