Base | Representation |
---|---|
bin | 11011111110101000… |
… | …011001100001001000 |
3 | 2212112122221220200120 |
4 | 123332220121201020 |
5 | 443011200310140 |
6 | 21445004103240 |
7 | 2112315100626 |
oct | 337650314110 |
9 | 85478856616 |
10 | 30041806920 |
11 | 118168a9204 |
12 | 59a4b34b20 |
13 | 2aa9c42218 |
14 | 164dc0c516 |
15 | bac6361d0 |
hex | 6fea19848 |
30041806920 has 32 divisors (see below), whose sum is σ = 90125421120. Its totient is φ = 8011148480.
The previous prime is 30041806913. The next prime is 30041806961. The reversal of 30041806920 is 2960814003.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 125174076 + ... + 125174315.
It is an arithmetic number, because the mean of its divisors is an integer number (2816419410).
Almost surely, 230041806920 is an apocalyptic number.
30041806920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30041806920 is an abundant number, since it is smaller than the sum of its proper divisors (60083614200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30041806920 is a wasteful number, since it uses less digits than its factorization.
30041806920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250348405 (or 250348401 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 33.
The spelling of 30041806920 in words is "thirty billion, forty-one million, eight hundred six thousand, nine hundred twenty".
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