Base | Representation |
---|---|
bin | 11100000010011010… |
… | …011101010001110000 |
3 | 2212201002100201112220 |
4 | 130002122131101300 |
5 | 443123421324133 |
6 | 21455152121040 |
7 | 2114015332503 |
oct | 340232352160 |
9 | 85632321486 |
10 | 30105261168 |
11 | 118496a9334 |
12 | 5a02236180 |
13 | 2aba12b508 |
14 | 165840913a |
15 | bb2ebc5b3 |
hex | 70269d470 |
30105261168 has 20 divisors (see below), whose sum is σ = 77771924808. Its totient is φ = 10035087040.
The previous prime is 30105261157. The next prime is 30105261181. The reversal of 30105261168 is 86116250103.
It is a congruent number.
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, 313596423 + ... + 313596518.
Almost surely, 230105261168 is an apocalyptic number.
It is an amenable number.
30105261168 is an abundant number, since it is smaller than the sum of its proper divisors (47666663640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30105261168 is a wasteful number, since it uses less digits than its factorization.
30105261168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 627192952 (or 627192946 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 33.
The spelling of 30105261168 in words is "thirty billion, one hundred five million, two hundred sixty-one thousand, one hundred sixty-eight".
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