Base | Representation |
---|---|
bin | 11000101100100010… |
… | …01101011011011001 |
3 | 1021020000020012101022 |
4 | 30112101031123121 |
5 | 204123134341324 |
6 | 10031343532225 |
7 | 646362331124 |
oct | 142621153331 |
9 | 37200205338 |
10 | 13258512089 |
11 | 56940a2409 |
12 | 26a02ba075 |
13 | 1333b04934 |
14 | 8dac1d3bb |
15 | 528eb805e |
hex | 31644d6d9 |
13258512089 has 2 divisors, whose sum is σ = 13258512090. Its totient is φ = 13258512088.
The previous prime is 13258512049. The next prime is 13258512107. The reversal of 13258512089 is 98021585231.
13258512089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7897343689 + 5361168400 = 88867^2 + 73220^2 .
It is an emirp because it is prime and its reverse (98021585231) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13258512089 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (13258512049) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6629256044 + 6629256045.
It is an arithmetic number, because the mean of its divisors is an integer number (6629256045).
Almost surely, 213258512089 is an apocalyptic number.
It is an amenable number.
13258512089 is a deficient number, since it is larger than the sum of its proper divisors (1).
13258512089 is an equidigital number, since it uses as much as digits as its factorization.
13258512089 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 172800, while the sum is 44.
The spelling of 13258512089 in words is "thirteen billion, two hundred fifty-eight million, five hundred twelve thousand, eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •