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31264048612 = 2217345179261
BaseRepresentation
bin11101000111011110…
…111000010111100100
32222200211211020002101
4131013132320113210
51003012044023422
622210145021444
72154516012526
oct350736702744
988624736071
1031264048612
1112293816505
126086324884
132c43223264
14172828ba16
15c2eab6c27
hex7477b85e4

31264048612 has 12 divisors (see below), whose sum is σ = 55028341116. Its totient is φ = 15541665440.

The previous prime is 31264048591. The next prime is 31264048633. The reversal of 31264048612 is 21684046213.

It is an interprime number because it is at equal distance from previous prime (31264048591) and next prime (31264048633).

It can be written as a sum of positive squares in 2 ways, for example, as 15085734976 + 16178313636 = 122824^2 + 127194^2 .

It is a super-2 number, since 2×312640486122 (a number of 22 digits) contains 22 as substring.

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, 22588939 + ... + 22590322.

It is an arithmetic number, because the mean of its divisors is an integer number (4585695093).

Almost surely, 231264048612 is an apocalyptic number.

It is an amenable number.

31264048612 is a deficient number, since it is larger than the sum of its proper divisors (23764292504).

31264048612 is a wasteful number, since it uses less digits than its factorization.

31264048612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45179438 (or 45179436 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 31264048612 in words is "thirty-one billion, two hundred sixty-four million, forty-eight thousand, six hundred twelve".

Divisors: 1 2 4 173 346 692 45179261 90358522 180717044 7816012153 15632024306 31264048612