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31349628424 = 238944030377
BaseRepresentation
bin11101001100100101…
…010101111000001000
32222220210212010112001
4131030211111320020
51003201001102144
622222443200344
72156605305412
oct351445257010
988823763461
1031349628424
1112328058924
1260aab160b4
132c57b882ba
1417357a79b2
15c3736dbd4
hex74c955e08

31349628424 has 16 divisors (see below), whose sum is σ = 59441010300. Its totient is φ = 15498692352.

The previous prime is 31349628391. The next prime is 31349628433. The reversal of 31349628424 is 42482694313.

It can be written as a sum of positive squares in 2 ways, for example, as 29299168900 + 2050459524 = 171170^2 + 45282^2 .

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, 22014477 + ... + 22015900.

Almost surely, 231349628424 is an apocalyptic number.

It is an amenable number.

31349628424 is a deficient number, since it is larger than the sum of its proper divisors (28091381876).

31349628424 is a wasteful number, since it uses less digits than its factorization.

31349628424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44030472 (or 44030468 counting only the distinct ones).

The product of its digits is 995328, while the sum is 46.

The spelling of 31349628424 in words is "thirty-one billion, three hundred forty-nine million, six hundred twenty-eight thousand, four hundred twenty-four".

Divisors: 1 2 4 8 89 178 356 712 44030377 88060754 176121508 352243016 3918703553 7837407106 15674814212 31349628424