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15131634468492 = 223232488232
BaseRepresentation
bin1101110000110001101110…
…1100101000011010001100
31222120120101121211020010110
43130030123230220122030
53440404041410442432
652103213225040020
73121140002543163
oct334143354503214
958516347736113
1015131634468492
1149043211a4013
121844741926010
13859ba3907c19
143a45370883da
151b391dc34dcc
hexdc31bb2868c

15131634468492 has 54 divisors (see below), whose sum is σ = 36909739625052. Its totient is φ = 4824480288144.

The previous prime is 15131634468487. The next prime is 15131634468493. The reversal of 15131634468492 is 29486443613151.

It is not an unprimeable number, because it can be changed into a prime (15131634468493) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 309903993 + ... + 309952815.

Almost surely, 215131634468492 is an apocalyptic number.

15131634468492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15131634468492 is an abundant number, since it is smaller than the sum of its proper divisors (21778105156560).

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

15131634468492 is an frugal number, since it uses more digits than its factorization.

15131634468492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97699 (or 48851 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The spelling of 15131634468492 in words is "fifteen trillion, one hundred thirty-one billion, six hundred thirty-four million, four hundred sixty-eight thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 529 1058 1587 2116 3174 6348 48823 97646 146469 195292 292938 585876 1122929 2245858 3368787 4491716 6737574 13475148 25827367 51654734 77482101 103309468 154964202 309928404 2383685329 4767370658 7151055987 9534741316 14302111974 28604223948 54824762567 109649525134 164474287701 219299050268 328948575402 657897150804 1260969539041 2521939078082 3782908617123 5043878156164 7565817234246 15131634468492