Search a number
-
+
31748983264 = 254323073389
BaseRepresentation
bin11101100100011000…
…110000100111100000
310000221122022110101001
4131210120300213200
51010010214431024
622330230521344
72202524622265
oct354430604740
9100848273331
1031748983264
1112512523049
1261a0806254
132cbc83203b
14177284126c
15c5c456244
hex7646309e0

31748983264 has 24 divisors (see below), whose sum is σ = 63959437080. Its totient is φ = 15505316736.

The previous prime is 31748983249. The next prime is 31748983291. The reversal of 31748983264 is 46238984713.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11535319 + ... + 11538070.

It is an arithmetic number, because the mean of its divisors is an integer number (2664976545).

Almost surely, 231748983264 is an apocalyptic number.

It is an amenable number.

31748983264 is an abundant number, since it is smaller than the sum of its proper divisors (32210453816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31748983264 is a wasteful number, since it uses less digits than its factorization.

31748983264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23073442 (or 23073434 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 55.

The spelling of 31748983264 in words is "thirty-one billion, seven hundred forty-eight million, nine hundred eighty-three thousand, two hundred sixty-four".

Divisors: 1 2 4 8 16 32 43 86 172 344 688 1376 23073389 46146778 92293556 184587112 369174224 738348448 992155727 1984311454 3968622908 7937245816 15874491632 31748983264