Base | Representation |
---|---|
bin | 110010001100… |
… | …110111010001 |
3 | 220202120222022 |
4 | 302030313101 |
5 | 11332104024 |
6 | 1150021225 |
7 | 216600011 |
oct | 62146721 |
9 | 26676868 |
10 | 13159889 |
11 | 7479246 |
12 | 44a7815 |
13 | 2959c22 |
14 | 1a67c41 |
15 | 124e35e |
hex | c8cdd1 |
13159889 has 2 divisors, whose sum is σ = 13159890. Its totient is φ = 13159888.
The previous prime is 13159879. The next prime is 13159919. The reversal of 13159889 is 98895131.
It is a happy number.
13159889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9891025 + 3268864 = 3145^2 + 1808^2 .
It is an emirp because it is prime and its reverse (98895131) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13159889 - 28 = 13159633 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (13159879) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6579944 + 6579945.
It is an arithmetic number, because the mean of its divisors is an integer number (6579945).
Almost surely, 213159889 is an apocalyptic number.
It is an amenable number.
13159889 is a deficient number, since it is larger than the sum of its proper divisors (1).
13159889 is an equidigital number, since it uses as much as digits as its factorization.
13159889 is an evil number, because the sum of its binary digits is even.
The product of its digits is 77760, while the sum is 44.
The square root of 13159889 is about 3627.6561303409. The cubic root of 13159889 is about 236.0935244089.
The spelling of 13159889 in words is "thirteen million, one hundred fifty-nine thousand, eight hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •