Base | Representation |
---|---|
bin | 11001000010011110… |
… | …01011111000110001 |
3 | 1021200211111022200112 |
4 | 30201033023320301 |
5 | 210012241441430 |
6 | 10101520031105 |
7 | 654055425041 |
oct | 144117137061 |
9 | 37624438615 |
10 | 13442530865 |
11 | 5778a5a445 |
12 | 2731a62495 |
13 | 1362c84a9a |
14 | 917441721 |
15 | 53a217195 |
hex | 3213cbe31 |
13442530865 has 32 divisors (see below), whose sum is σ = 17088136704. Its totient is φ = 10138694400.
The previous prime is 13442530817. The next prime is 13442530877. The reversal of 13442530865 is 56803524431.
13442530865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-13442530865 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 in 31 ways as a sum of consecutive naturals, for example, 870542 + ... + 885848.
It is an arithmetic number, because the mean of its divisors is an integer number (534004272).
Almost surely, 213442530865 is an apocalyptic number.
It is an amenable number.
13442530865 is a deficient number, since it is larger than the sum of its proper divisors (3645605839).
13442530865 is a wasteful number, since it uses less digits than its factorization.
13442530865 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15497.
The product of its (nonzero) digits is 345600, while the sum is 41.
The spelling of 13442530865 in words is "thirteen billion, four hundred forty-two million, five hundred thirty thousand, eight hundred sixty-five".
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