Base | Representation |
---|---|
bin | 11100101110111111… |
… | …111100111110111100 |
3 | 2221122012220102021111 |
4 | 130232333330332330 |
5 | 1001141420202433 |
6 | 22101313011404 |
7 | 2141400422404 |
oct | 345677747674 |
9 | 87565812244 |
10 | 30853287868 |
11 | 120a2970917 |
12 | 5b90853b64 |
13 | 2ba90b4a70 |
14 | 16c98c5804 |
15 | c089c9dcd |
hex | 72effcfbc |
30853287868 has 24 divisors (see below), whose sum is σ = 58300039280. Its totient is φ = 14202397440.
The previous prime is 30853287859. The next prime is 30853287917. The reversal of 30853287868 is 86878235803.
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, 763053 + ... + 802468.
Almost surely, 230853287868 is an apocalyptic number.
It is an amenable number.
30853287868 is a deficient number, since it is larger than the sum of its proper divisors (27446751412).
30853287868 is a wasteful number, since it uses less digits than its factorization.
30853287868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1565917 (or 1565915 counting only the distinct ones).
The product of its (nonzero) digits is 15482880, while the sum is 58.
The spelling of 30853287868 in words is "thirty billion, eight hundred fifty-three million, two hundred eighty-seven thousand, eight hundred sixty-eight".
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