Base | Representation |
---|---|
bin | 11100100101111011… |
… | …111001111100100100 |
3 | 2221020121210011201021 |
4 | 130211323321330210 |
5 | 1000334003410113 |
6 | 22034241540524 |
7 | 2134543110514 |
oct | 344573717444 |
9 | 87217704637 |
10 | 30701231908 |
11 | 12025054a36 |
12 | 5b49944744 |
13 | 2b83746119 |
14 | 16b3623844 |
15 | bea49148d |
hex | 725ef9f24 |
30701231908 has 24 divisors (see below), whose sum is σ = 54445828640. Its totient is φ = 15146637120.
The previous prime is 30701231903. The next prime is 30701231927. The reversal of 30701231908 is 80913210703.
It is not an unprimeable number, because it can be changed into a prime (30701231903) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78753 + ... + 260008.
Almost surely, 230701231908 is an apocalyptic number.
It is an amenable number.
30701231908 is a deficient number, since it is larger than the sum of its proper divisors (23744596732).
30701231908 is a wasteful number, since it uses less digits than its factorization.
30701231908 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 339067 (or 339065 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 34.
The spelling of 30701231908 in words is "thirty billion, seven hundred one million, two hundred thirty-one thousand, nine hundred eight".
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