Base | Representation |
---|---|
bin | 1111100100000… |
… | …01110010000101 |
3 | 100002122212210212 |
4 | 13302001302011 |
5 | 231410230023 |
6 | 20542125205 |
7 | 3143461601 |
oct | 762016205 |
9 | 302585725 |
10 | 130555013 |
11 | 67770a06 |
12 | 37880805 |
13 | 210812b4 |
14 | 134a6501 |
15 | b6dce78 |
hex | 7c81c85 |
130555013 has 16 divisors (see below), whose sum is σ = 138153600. Its totient is φ = 123197760.
The previous prime is 130555003. The next prime is 130555031. The reversal of 130555013 is 310555031.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-130555013 is a prime.
It is a super-2 number, since 2×1305550132 = 34089222838860338, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130555013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130555003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335423 + ... + 335811.
It is an arithmetic number, because the mean of its divisors is an integer number (8634600).
Almost surely, 2130555013 is an apocalyptic number.
It is an amenable number.
130555013 is a deficient number, since it is larger than the sum of its proper divisors (7598587).
130555013 is a wasteful number, since it uses less digits than its factorization.
130555013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 652.
The product of its (nonzero) digits is 1125, while the sum is 23.
The square root of 130555013 is about 11426.0672586853. The cubic root of 130555013 is about 507.2995971592.
The spelling of 130555013 in words is "one hundred thirty million, five hundred fifty-five thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •