Base | Representation |
---|---|
bin | 10110111011110101… |
… | …10111110101111100 |
3 | 1011210010022221021012 |
4 | 23131322313311330 |
5 | 200204130214122 |
6 | 5353453054352 |
7 | 614062620140 |
oct | 133572676574 |
9 | 34703287235 |
10 | 12313132412 |
11 | 5249495699 |
12 | 24777873b8 |
13 | 1212cacb89 |
14 | 84b44d220 |
15 | 4c0ec57e2 |
hex | 2ddeb7d7c |
12313132412 has 24 divisors (see below), whose sum is σ = 24628635360. Its totient is φ = 5276548800.
The previous prime is 12313132393. The next prime is 12313132511. The reversal of 12313132412 is 21423131321.
It is a super-2 number, since 2×123131324122 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500414 + ... + 524442.
It is an arithmetic number, because the mean of its divisors is an integer number (1026193140).
Almost surely, 212313132412 is an apocalyptic number.
It is an amenable number.
12313132412 is an abundant number, since it is smaller than the sum of its proper divisors (12315502948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12313132412 is a wasteful number, since it uses less digits than its factorization.
12313132412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42341 (or 42339 counting only the distinct ones).
The product of its digits is 864, while the sum is 23.
Adding to 12313132412 its reverse (21423131321), we get a palindrome (33736263733).
The spelling of 12313132412 in words is "twelve billion, three hundred thirteen million, one hundred thirty-two thousand, four hundred twelve".
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