Base | Representation |
---|---|
bin | 11100001000110011… |
… | …000110101110000000 |
3 | 2212222112221012201211 |
4 | 130020303012232000 |
5 | 443333332320124 |
6 | 21513540135504 |
7 | 2116456020016 |
oct | 341063065600 |
9 | 85875835654 |
10 | 30212385664 |
11 | 118a411657a |
12 | 5a32097594 |
13 | 2b06397aa6 |
14 | 16687328b6 |
15 | bbc5cce94 |
hex | 708cc6b80 |
30212385664 has 16 divisors (see below), whose sum is σ = 60188737320. Its totient is φ = 15106192768.
The previous prime is 30212385641. The next prime is 30212385673. The reversal of 30212385664 is 46658321203.
It is a tau number, because it is divible by the number of its divisors (16).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118017004 + ... + 118017259.
Almost surely, 230212385664 is an apocalyptic number.
It is an amenable number.
30212385664 is a deficient number, since it is larger than the sum of its proper divisors (29976351656).
30212385664 is an equidigital number, since it uses as much as digits as its factorization.
30212385664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236034277 (or 236034265 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 40.
The spelling of 30212385664 in words is "thirty billion, two hundred twelve million, three hundred eighty-five thousand, six hundred sixty-four".
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