Base | Representation |
---|---|
bin | 111101000100111110… |
… | …0001000011111000110 |
3 | 110112112222211000112202 |
4 | 1322021330020133012 |
5 | 4122110243321440 |
6 | 140131111514502 |
7 | 12322230215315 |
oct | 1721174103706 |
9 | 415488730482 |
10 | 131163260870 |
11 | 50698272254 |
12 | 21506388a32 |
13 | c4a3ba4785 |
14 | 64c3b9427c |
15 | 362a043615 |
hex | 1e89f087c6 |
131163260870 has 32 divisors (see below), whose sum is σ = 239655591648. Its totient is φ = 51674059008.
The previous prime is 131163260867. The next prime is 131163260939. The reversal of 131163260870 is 78062361131.
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 15 ways as a sum of consecutive naturals, for example, 5909714 + ... + 5931866.
It is an arithmetic number, because the mean of its divisors is an integer number (7489237239).
Almost surely, 2131163260870 is an apocalyptic number.
131163260870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131163260870 is a deficient number, since it is larger than the sum of its proper divisors (108492330778).
131163260870 is a wasteful number, since it uses less digits than its factorization.
131163260870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31064.
The product of its (nonzero) digits is 36288, while the sum is 38.
The spelling of 131163260870 in words is "one hundred thirty-one billion, one hundred sixty-three million, two hundred sixty thousand, eight hundred seventy".
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