Base | Representation |
---|---|
bin | 1101110000110001101110… |
… | …1100101000011010001100 |
3 | 1222120120101121211020010110 |
4 | 3130030123230220122030 |
5 | 3440404041410442432 |
6 | 52103213225040020 |
7 | 3121140002543163 |
oct | 334143354503214 |
9 | 58516347736113 |
10 | 15131634468492 |
11 | 49043211a4013 |
12 | 1844741926010 |
13 | 859ba3907c19 |
14 | 3a45370883da |
15 | 1b391dc34dcc |
hex | dc31bb2868c |
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".
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