Search a number
-
+
31080044564 = 22116316694003
BaseRepresentation
bin11100111100100000…
…111101100000010100
32222020000120211222122
4130330200331200110
51002122442411224
622140013115112
72150123006552
oct347440754024
988200524878
1031080044564
11121a9969548
126034788a98
132c14079a1a
14170ba70bd2
15c1d86c15e
hex73c83d814

31080044564 has 24 divisors (see below), whose sum is σ = 54483068640. Its totient is φ = 15513480864.

The previous prime is 31080044551. The next prime is 31080044617. The reversal of 31080044564 is 46544008013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7762187 + ... + 7766189.

It is an arithmetic number, because the mean of its divisors is an integer number (2270127860).

Almost surely, 231080044564 is an apocalyptic number.

It is an amenable number.

31080044564 is a deficient number, since it is larger than the sum of its proper divisors (23403024076).

31080044564 is a wasteful number, since it uses less digits than its factorization.

31080044564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6839 (or 6837 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 31080044564 in words is "thirty-one billion, eighty million, forty-four thousand, five hundred sixty-four".

Divisors: 1 2 4 1163 1669 2326 3338 4003 4652 6676 8006 16012 1941047 3882094 4655489 6681007 7764188 9310978 13362014 18621956 26724028 7770011141 15540022282 31080044564