Base | Representation |
---|---|
bin | 11100010101110100… |
… | …100001110111011000 |
3 | 2220112210001000000220 |
4 | 130111310201313120 |
5 | 444310300102213 |
6 | 21551343000040 |
7 | 2125051031433 |
oct | 342564416730 |
9 | 86483030026 |
10 | 30430862808 |
11 | 119a64796a5 |
12 | 5a93299020 |
13 | 2b3c7212c8 |
14 | 168976481a |
15 | bd1886e23 |
hex | 715d21dd8 |
30430862808 has 16 divisors (see below), whose sum is σ = 76077157080. Its totient is φ = 10143620928.
The previous prime is 30430862797. The next prime is 30430862827. The reversal of 30430862808 is 80826803403.
It is a super-2 number, since 2×304308628082 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30430862808.
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, 633976285 + ... + 633976332.
Almost surely, 230430862808 is an apocalyptic number.
It is an amenable number.
30430862808 is an abundant number, since it is smaller than the sum of its proper divisors (45646294272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30430862808 is a wasteful number, since it uses less digits than its factorization.
30430862808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1267952626 (or 1267952622 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 42.
The spelling of 30430862808 in words is "thirty billion, four hundred thirty million, eight hundred sixty-two thousand, eight hundred eight".
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