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31244532412 = 227811133103
BaseRepresentation
bin11101000110010100…
…011011101010111100
32222122111002200220011
4131012110123222330
51002442100014122
622204210433004
72154161100142
oct350624335274
988574080804
1031244532412
11122837a6715
12607b892764
132c3c17c102
14172584b592
15c2d00e377
hex74651babc

31244532412 has 6 divisors (see below), whose sum is σ = 54677931728. Its totient is φ = 15622266204.

The previous prime is 31244532391. The next prime is 31244532437. The reversal of 31244532412 is 21423544213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3905566548 + ... + 3905566555.

Almost surely, 231244532412 is an apocalyptic number.

It is an amenable number.

31244532412 is a deficient number, since it is larger than the sum of its proper divisors (23433399316).

31244532412 is a wasteful number, since it uses less digits than its factorization.

31244532412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811133107 (or 7811133105 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The spelling of 31244532412 in words is "thirty-one billion, two hundred forty-four million, five hundred thirty-two thousand, four hundred twelve".

Divisors: 1 2 4 7811133103 15622266206 31244532412