Base | Representation |
---|---|
bin | 11000000011000111… |
… | …10100100001000100 |
3 | 1020022210110021102002 |
4 | 30001203310201010 |
5 | 202420213204002 |
6 | 5533053004432 |
7 | 634643164214 |
oct | 140143644104 |
9 | 36283407362 |
10 | 12911069252 |
11 | 5525a64474 |
12 | 2603a83718 |
13 | 12a9b35663 |
14 | 8a6a1a244 |
15 | 508737002 |
hex | 3018f4844 |
12911069252 has 12 divisors (see below), whose sum is σ = 22604929536. Its totient is φ = 6452517960.
The previous prime is 12911069231. The next prime is 12911069263. The reversal of 12911069252 is 25296011921.
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, 744524 + ... + 761667.
It is an arithmetic number, because the mean of its divisors is an integer number (1883744128).
Almost surely, 212911069252 is an apocalyptic number.
It is an amenable number.
12911069252 is a deficient number, since it is larger than the sum of its proper divisors (9693860284).
12911069252 is a wasteful number, since it uses less digits than its factorization.
12911069252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1508338 (or 1508336 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 38.
The spelling of 12911069252 in words is "twelve billion, nine hundred eleven million, sixty-nine thousand, two hundred fifty-two".
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