Base | Representation |
---|---|
bin | 11100010101101111… |
… | …100101000000001011 |
3 | 2220112200121001200200 |
4 | 130111233211000023 |
5 | 444304432034224 |
6 | 21551255103243 |
7 | 2125034014524 |
oct | 342557450013 |
9 | 86480531620 |
10 | 30429564939 |
11 | 119a5772584 |
12 | 5a92971b23 |
13 | 2b3c388637 |
14 | 168950784b |
15 | bd16cc5c9 |
hex | 715be500b |
30429564939 has 24 divisors (see below), whose sum is σ = 45393878400. Its totient is φ = 19622373120.
The previous prime is 30429564923. The next prime is 30429564941. The reversal of 30429564939 is 93946592403.
30429564939 is a `hidden beast` number, since 3 + 0 + 42 + 9 + 564 + 9 + 39 = 666.
It is not a de Polignac number, because 30429564939 - 24 = 30429564923 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30429569939) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 568377 + ... + 619605.
It is an arithmetic number, because the mean of its divisors is an integer number (1891411600).
Almost surely, 230429564939 is an apocalyptic number.
30429564939 is a deficient number, since it is larger than the sum of its proper divisors (14964313461).
30429564939 is a wasteful number, since it uses less digits than its factorization.
30429564939 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53395 (or 53392 counting only the distinct ones).
The product of its (nonzero) digits is 6298560, while the sum is 54.
The spelling of 30429564939 in words is "thirty billion, four hundred twenty-nine million, five hundred sixty-four thousand, nine hundred thirty-nine".
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