Base | Representation |
---|---|
bin | 11100100110001100… |
… | …001000110001011000 |
3 | 2221020220210100111220 |
4 | 130212030020301120 |
5 | 1000341101040221 |
6 | 22034513052040 |
7 | 2134624222035 |
oct | 344614106130 |
9 | 87226710456 |
10 | 30705486936 |
11 | 120274a0893 |
12 | 5b4b257020 |
13 | 2b845a5aa7 |
14 | 16b401038c |
15 | beaa320c6 |
hex | 726308c58 |
30705486936 has 32 divisors (see below), whose sum is σ = 76787524800. Its totient is φ = 10231988000.
The previous prime is 30705486901. The next prime is 30705486947. The reversal of 30705486936 is 63968450703.
It is a congruent 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, 118746 + ... + 274793.
It is an arithmetic number, because the mean of its divisors is an integer number (2399610150).
Almost surely, 230705486936 is an apocalyptic number.
It is an amenable number.
30705486936 is an abundant number, since it is smaller than the sum of its proper divisors (46082037864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30705486936 is a wasteful number, since it uses less digits than its factorization.
30705486936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 396799 (or 396795 counting only the distinct ones).
The product of its (nonzero) digits is 3265920, while the sum is 51.
The spelling of 30705486936 in words is "thirty billion, seven hundred five million, four hundred eighty-six thousand, nine hundred thirty-six".
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