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31372305044 = 2247166873963
BaseRepresentation
bin11101001101111011…
…110110001010010100
32222222101112012222212
4131031323312022110
51003222302230134
622225013212552
72160302123123
oct351573661224
988871465885
1031372305044
1112339937133
1260b6631158
132c5c797b12
1417387cbaba
15c3934cbce
hex74def6294

31372305044 has 12 divisors (see below), whose sum is σ = 56069651904. Its totient is φ = 15352404504.

The previous prime is 31372305037. The next prime is 31372305059. The reversal of 31372305044 is 44050327313.

It is a self number, because there is not a number n which added to its sum of digits gives 31372305044.

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, 83436794 + ... + 83437169.

It is an arithmetic number, because the mean of its divisors is an integer number (4672470992).

Almost surely, 231372305044 is an apocalyptic number.

It is an amenable number.

31372305044 is a deficient number, since it is larger than the sum of its proper divisors (24697346860).

31372305044 is a wasteful number, since it uses less digits than its factorization.

31372305044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166874014 (or 166874012 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 31372305044 in words is "thirty-one billion, three hundred seventy-two million, three hundred five thousand, forty-four".

Divisors: 1 2 4 47 94 188 166873963 333747926 667495852 7843076261 15686152522 31372305044