Base | Representation |
---|---|
bin | 1111100110011… |
… | …11000000010011 |
3 | 100010020221200202 |
4 | 13303033000103 |
5 | 232000340230 |
6 | 20553005415 |
7 | 3146250011 |
oct | 763170023 |
9 | 303227622 |
10 | 130871315 |
11 | 67967613 |
12 | 379b386b |
13 | 21162263 |
14 | 135498b1 |
15 | b751a45 |
hex | 7ccf013 |
130871315 has 4 divisors (see below), whose sum is σ = 157045584. Its totient is φ = 104697048.
The previous prime is 130871309. The next prime is 130871327. The reversal of 130871315 is 513178031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130871315 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13087127 + ... + 13087136.
It is an arithmetic number, because the mean of its divisors is an integer number (39261396).
Almost surely, 2130871315 is an apocalyptic number.
130871315 is a deficient number, since it is larger than the sum of its proper divisors (26174269).
130871315 is an equidigital number, since it uses as much as digits as its factorization.
130871315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26174268.
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 130871315 is about 11439.9001306830. The cubic root of 130871315 is about 507.7089532433.
The spelling of 130871315 in words is "one hundred thirty million, eight hundred seventy-one thousand, three hundred fifteen".
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