Base | Representation |
---|---|
bin | 11000101001010101… |
… | …01000101110000101 |
3 | 1021011010122002112210 |
4 | 30110222220232011 |
5 | 204044243414140 |
6 | 10024543334033 |
7 | 645614640324 |
oct | 142452505605 |
9 | 37133562483 |
10 | 13231623045 |
11 | 567a9a7263 |
12 | 26932b1319 |
13 | 132b37b964 |
14 | 8d74200bb |
15 | 526955d80 |
hex | 314aa8b85 |
13231623045 has 32 divisors (see below), whose sum is σ = 21792540672. Its totient is φ = 6852298752.
The previous prime is 13231623043. The next prime is 13231623121. The reversal of 13231623045 is 54032613231.
It is not a de Polignac number, because 13231623045 - 21 = 13231623043 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13231623043) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8677 + ... + 162906.
It is an arithmetic number, because the mean of its divisors is an integer number (681016896).
Almost surely, 213231623045 is an apocalyptic number.
13231623045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13231623045 is a deficient number, since it is larger than the sum of its proper divisors (8560917627).
13231623045 is a wasteful number, since it uses less digits than its factorization.
13231623045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 171741.
The product of its (nonzero) digits is 12960, while the sum is 30.
The spelling of 13231623045 in words is "thirteen billion, two hundred thirty-one million, six hundred twenty-three thousand, forty-five".
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