Base | Representation |
---|---|
bin | 11000010011011100… |
… | …00100110100000000 |
3 | 1020200100001211000120 |
4 | 30021232010310000 |
5 | 203210240201133 |
6 | 5554423220240 |
7 | 641224646634 |
oct | 141156046400 |
9 | 36610054016 |
10 | 13047975168 |
11 | 5596272958 |
12 | 26418a7680 |
13 | 12cc2cb587 |
14 | 8bac96dc4 |
15 | 51577bab3 |
hex | 309b84d00 |
13047975168 has 72 divisors (see below), whose sum is σ = 34744942176. Its totient is φ = 4347033600.
The previous prime is 13047975163. The next prime is 13047975217. The reversal of 13047975168 is 86157974031.
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 13047975168.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13047975163) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2094298 + ... + 2100518.
Almost surely, 213047975168 is an apocalyptic number.
It is an amenable number.
13047975168 is an abundant number, since it is smaller than the sum of its proper divisors (21696967008).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13047975168 is an equidigital number, since it uses as much as digits as its factorization.
13047975168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8971 (or 8957 counting only the distinct ones).
The product of its (nonzero) digits is 1270080, while the sum is 51.
The spelling of 13047975168 in words is "thirteen billion, forty-seven million, nine hundred seventy-five thousand, one hundred sixty-eight".
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