Search a number
-
+
31904739034 = 2721114337537
BaseRepresentation
bin11101101101101010…
…111010111011011010
310001100111101200010021
4131231222322323122
51010320103122114
622353513141054
72206425543610
oct355552727332
9101314350107
1031904739034
1112592436723
1262249ba78a
133015b97a0c
1417893c76b0
15c6ae71024
hex76dabaeda

31904739034 has 32 divisors (see below), whose sum is σ = 54998695296. Its totient is φ = 13597355520.

The previous prime is 31904739023. The next prime is 31904739037. The reversal of 31904739034 is 43093740913.

It is not an unprimeable number, because it can be changed into a prime (31904739037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4229314 + ... + 4236850.

It is an arithmetic number, because the mean of its divisors is an integer number (1718709228).

Almost surely, 231904739034 is an apocalyptic number.

31904739034 is a deficient number, since it is larger than the sum of its proper divisors (23093956262).

31904739034 is a wasteful number, since it uses less digits than its factorization.

31904739034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9190.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 31904739034 in words is "thirty-one billion, nine hundred four million, seven hundred thirty-nine thousand, thirty-four".

Divisors: 1 2 7 14 211 422 1433 1477 2866 2954 7537 10031 15074 20062 52759 105518 302363 604726 1590307 2116541 3180614 4233082 10800521 11132149 21601042 22264298 75603647 151207294 2278909931 4557819862 15952369517 31904739034