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1312293424 = 24136309103
BaseRepresentation
bin100111000111000…
…0000001000110000
310101110022102011011
41032032000020300
510141421342144
6334115000304
744343211231
oct11616001060
93343272134
101312293424
11613834522
12307599094
1317bb506b0
14c6401088
157a31ca34
hex4e380230

1312293424 has 20 divisors (see below), whose sum is σ = 2738151136. Its totient is φ = 605673792.

The previous prime is 1312293419. The next prime is 1312293443. The reversal of 1312293424 is 4243922131.

It is a super-2 number, since 2×13122934242 = 3444228061347287552, which 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, 3154344 + ... + 3154759.

Almost surely, 21312293424 is an apocalyptic number.

It is an amenable number.

1312293424 is an abundant number, since it is smaller than the sum of its proper divisors (1425857712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312293424 is a wasteful number, since it uses less digits than its factorization.

1312293424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309124 (or 6309118 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 1312293424 is about 36225.5907336237. The cubic root of 1312293424 is about 1094.8223404631.

The spelling of 1312293424 in words is "one billion, three hundred twelve million, two hundred ninety-three thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 16 26 52 104 208 6309103 12618206 25236412 50472824 82018339 100945648 164036678 328073356 656146712 1312293424