Base | Representation |
---|---|
bin | 1111100010101… |
… | …11000110001000 |
3 | 100002022222222010 |
4 | 13301113012020 |
5 | 231334131133 |
6 | 20534255520 |
7 | 3142133052 |
oct | 761270610 |
9 | 302288863 |
10 | 130380168 |
11 | 67661606 |
12 | 377b75a0 |
13 | 2101c839 |
14 | 1345c8d2 |
15 | b6a6263 |
hex | 7c57188 |
130380168 has 16 divisors (see below), whose sum is σ = 325950480. Its totient is φ = 43460048.
The previous prime is 130380163. The next prime is 130380221. The reversal of 130380168 is 861083031.
It is not an unprimeable number, because it can be changed into a prime (130380161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2716230 + ... + 2716277.
It is an arithmetic number, because the mean of its divisors is an integer number (20371905).
Almost surely, 2130380168 is an apocalyptic number.
It is an amenable number.
130380168 is an abundant number, since it is smaller than the sum of its proper divisors (195570312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130380168 is a wasteful number, since it uses less digits than its factorization.
130380168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5432516 (or 5432512 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 130380168 is about 11418.4135500515. The cubic root of 130380168 is about 507.0730300287.
The spelling of 130380168 in words is "one hundred thirty million, three hundred eighty thousand, one hundred sixty-eight".
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