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32013131144 = 2313928788787
BaseRepresentation
bin11101110100001000…
…011001110110001000
310001122001100120010212
4131310020121312020
51011030330144034
622412344300252
72212213060601
oct356410316610
9101561316125
1032013131144
111263863a285
126255171688
133032489267
141799960da8
15c757322ce
hex774219d88

32013131144 has 16 divisors (see below), whose sum is σ = 60456454800. Its totient is φ = 15891409872.

The previous prime is 32013131123. The next prime is 32013131153. The reversal of 32013131144 is 44113131023.

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, 14393282 + ... + 14395505.

It is an arithmetic number, because the mean of its divisors is an integer number (3778528425).

Almost surely, 232013131144 is an apocalyptic number.

It is an amenable number.

32013131144 is a deficient number, since it is larger than the sum of its proper divisors (28443323656).

32013131144 is a wasteful number, since it uses less digits than its factorization.

32013131144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28788932 (or 28788928 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 32013131144 its reverse (44113131023), we get a palindrome (76126262167).

The spelling of 32013131144 in words is "thirty-two billion, thirteen million, one hundred thirty-one thousand, one hundred forty-four".

Divisors: 1 2 4 8 139 278 556 1112 28788787 57577574 115155148 230310296 4001641393 8003282786 16006565572 32013131144