Base | Representation |
---|---|
bin | 1111100110101… |
… | …00000010110111 |
3 | 100010022000000100 |
4 | 13303110002313 |
5 | 232002020314 |
6 | 20553245143 |
7 | 3146364132 |
oct | 763240267 |
9 | 303260010 |
10 | 130891959 |
11 | 67981080 |
12 | 37a037b3 |
13 | 2116b783 |
14 | 13553219 |
15 | b757c09 |
hex | 7cd40b7 |
130891959 has 24 divisors (see below), whose sum is σ = 218389392. Its totient is φ = 74661120.
The previous prime is 130891939. The next prime is 130891961. The reversal of 130891959 is 959198031.
It is not a de Polignac number, because 130891959 - 29 = 130891447 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130891939) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37204 + ... + 40569.
It is an arithmetic number, because the mean of its divisors is an integer number (9099558).
Almost surely, 2130891959 is an apocalyptic number.
130891959 is a deficient number, since it is larger than the sum of its proper divisors (87497433).
130891959 is a wasteful number, since it uses less digits than its factorization.
130891959 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77807 (or 77804 counting only the distinct ones).
The product of its (nonzero) digits is 87480, while the sum is 45.
The square root of 130891959 is about 11440.8023757077. The cubic root of 130891959 is about 507.7356476404.
The spelling of 130891959 in words is "one hundred thirty million, eight hundred ninety-one thousand, nine hundred fifty-nine".
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