Base | Representation |
---|---|
bin | 100111000111000… |
… | …0000001000110000 |
3 | 10101110022102011011 |
4 | 1032032000020300 |
5 | 10141421342144 |
6 | 334115000304 |
7 | 44343211231 |
oct | 11616001060 |
9 | 3343272134 |
10 | 1312293424 |
11 | 613834522 |
12 | 307599094 |
13 | 17bb506b0 |
14 | c6401088 |
15 | 7a31ca34 |
hex | 4e380230 |
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".
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