Base | Representation |
---|---|
bin | 11100101100010101… |
… | …011010100100001000 |
3 | 2221112002210010220201 |
4 | 130230111122210020 |
5 | 1001043444114113 |
6 | 22053034501544 |
7 | 2140315425652 |
oct | 345425324410 |
9 | 87462703821 |
10 | 30808582408 |
11 | 1207a706a5a |
12 | 5b798948b4 |
13 | 2b9ca61526 |
14 | 16c39a96d2 |
15 | c04ae8cdd |
hex | 72c55a908 |
30808582408 has 32 divisors (see below), whose sum is σ = 58729901760. Its totient is φ = 15147420480.
The previous prime is 30808582381. The next prime is 30808582411. The reversal of 30808582408 is 80428580803.
It is a happy number.
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, 2298141 + ... + 2311507.
It is an arithmetic number, because the mean of its divisors is an integer number (1835309430).
Almost surely, 230808582408 is an apocalyptic number.
It is an amenable number.
30808582408 is a deficient number, since it is larger than the sum of its proper divisors (27921319352).
30808582408 is a wasteful number, since it uses less digits than its factorization.
30808582408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18157 (or 18153 counting only the distinct ones).
The product of its (nonzero) digits is 491520, while the sum is 46.
The spelling of 30808582408 in words is "thirty billion, eight hundred eight million, five hundred eighty-two thousand, four hundred eight".
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