Base | Representation |
---|---|
bin | 1111100011101… |
… | …01000011101011 |
3 | 100002120020022102 |
4 | 13301311003223 |
5 | 231402043031 |
6 | 20541044015 |
7 | 3143153621 |
oct | 761650353 |
9 | 302506272 |
10 | 130502891 |
11 | 67735832 |
12 | 3785660b |
13 | 2106365c |
14 | 13491511 |
15 | b6cc7cb |
hex | 7c750eb |
130502891 has 2 divisors, whose sum is σ = 130502892. Its totient is φ = 130502890.
The previous prime is 130502873. The next prime is 130502923. The reversal of 130502891 is 198205031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 130502891 - 214 = 130486507 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (130502821) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65251445 + 65251446.
It is an arithmetic number, because the mean of its divisors is an integer number (65251446).
Almost surely, 2130502891 is an apocalyptic number.
130502891 is a deficient number, since it is larger than the sum of its proper divisors (1).
130502891 is an equidigital number, since it uses as much as digits as its factorization.
130502891 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2160, while the sum is 29.
The square root of 130502891 is about 11423.7861937275. The cubic root of 130502891 is about 507.2320777573.
The spelling of 130502891 in words is "one hundred thirty million, five hundred two thousand, eight hundred ninety-one".
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