Base | Representation |
---|---|
bin | 11011111100110101… |
… | …000000111111101000 |
3 | 2212110120001012121000 |
4 | 123330311000333220 |
5 | 442430424404122 |
6 | 21442003515000 |
7 | 2111500023135 |
oct | 337465007750 |
9 | 85416035530 |
10 | 30011559912 |
11 | 1180081a184 |
12 | 5996988a60 |
13 | 2aa38b1999 |
14 | 1649bb758c |
15 | ba9b5e0ac |
hex | 6fcd40fe8 |
30011559912 has 32 divisors (see below), whose sum is σ = 83365444800. Its totient is φ = 10003853232.
The previous prime is 30011559883. The next prime is 30011559979. The reversal of 30011559912 is 21995511003.
30011559912 is a `hidden beast` number, since 3 + 0 + 0 + 11 + 559 + 91 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 69470988 + ... + 69471419.
It is an arithmetic number, because the mean of its divisors is an integer number (2605170150).
Almost surely, 230011559912 is an apocalyptic number.
It is an amenable number.
30011559912 is an abundant number, since it is smaller than the sum of its proper divisors (53353884888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30011559912 is a wasteful number, since it uses less digits than its factorization.
30011559912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138942422 (or 138942412 counting only the distinct ones).
The product of its (nonzero) digits is 12150, while the sum is 36.
The spelling of 30011559912 in words is "thirty billion, eleven million, five hundred fifty-nine thousand, nine hundred twelve".
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