Base | Representation |
---|---|
bin | 10111100001110001… |
… | …00111010101001000 |
3 | 1012121022000220120010 |
4 | 23300320213111020 |
5 | 201332103320332 |
6 | 5445220431520 |
7 | 625005225441 |
oct | 136070472510 |
9 | 35538026503 |
10 | 12631307592 |
11 | 53a2053392 |
12 | 25462485a0 |
13 | 1263ba2607 |
14 | 87b7d42c8 |
15 | 4dddc49cc |
hex | 2f0e27548 |
12631307592 has 32 divisors (see below), whose sum is σ = 31581046080. Its totient is φ = 4210065600.
The previous prime is 12631307569. The next prime is 12631307639. The reversal of 12631307592 is 29570313621.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 12631307592.
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, 469333 + ... + 495515.
It is an arithmetic number, because the mean of its divisors is an integer number (986907690).
Almost surely, 212631307592 is an apocalyptic number.
12631307592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12631307592 is an abundant number, since it is smaller than the sum of its proper divisors (18949738488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12631307592 is a wasteful number, since it uses less digits than its factorization.
12631307592 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46293 (or 46289 counting only the distinct ones).
The product of its (nonzero) digits is 68040, while the sum is 39.
The spelling of 12631307592 in words is "twelve billion, six hundred thirty-one million, three hundred seven thousand, five hundred ninety-two".
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