Base | Representation |
---|---|
bin | 10110111011110000… |
… | …00101111100111000 |
3 | 1011210001221220202101 |
4 | 23131320011330320 |
5 | 200203433410033 |
6 | 5353425313144 |
7 | 614053463620 |
oct | 133570057470 |
9 | 34701856671 |
10 | 12312403768 |
11 | 5249038205 |
12 | 24774957b4 |
13 | 1212ab6322 |
14 | 84b2dd880 |
15 | 4c0dce97d |
hex | 2dde05f38 |
12312403768 has 32 divisors (see below), whose sum is σ = 26438860800. Its totient is φ = 5265716832.
The previous prime is 12312403759. The next prime is 12312403781. The reversal of 12312403768 is 86730421321.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202680 + ... + 256327.
It is an arithmetic number, because the mean of its divisors is an integer number (826214400).
Almost surely, 212312403768 is an apocalyptic number.
It is an amenable number.
12312403768 is an abundant number, since it is smaller than the sum of its proper divisors (14126457032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12312403768 is a wasteful number, since it uses less digits than its factorization.
12312403768 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 459499 (or 459495 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 37.
The spelling of 12312403768 in words is "twelve billion, three hundred twelve million, four hundred three thousand, seven hundred sixty-eight".
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