Search a number
-
+
13442530865 = 5374710115307
BaseRepresentation
bin11001000010011110…
…01011111000110001
31021200211111022200112
430201033023320301
5210012241441430
610101520031105
7654055425041
oct144117137061
937624438615
1013442530865
115778a5a445
122731a62495
131362c84a9a
14917441721
1553a217195
hex3213cbe31

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".

Divisors: 1 5 37 47 101 185 235 505 1739 3737 4747 8695 15307 18685 23735 76535 175639 566359 719429 878195 1546007 2831795 3597145 7730035 26618873 57202259 72662329 133094365 286011295 363311645 2688506173 13442530865