Base | Representation |
---|---|
bin | 111111011101011110… |
… | …100110100110100100 |
3 | 20111212210222201102100 |
4 | 333131132212212210 |
5 | 2104022403442422 |
6 | 51145255012100 |
7 | 4631402651613 |
oct | 773536464644 |
9 | 214783881370 |
10 | 68140296612 |
11 | 2699746a423 |
12 | 1125806a030 |
13 | 656c08264b |
14 | 3425a3b87a |
15 | 1b8c2127ac |
hex | fdd7a69a4 |
68140296612 has 36 divisors (see below), whose sum is σ = 172356170896. Its totient is φ = 22698578160.
The previous prime is 68140296559. The next prime is 68140296613. The reversal of 68140296612 is 21669204186.
68140296612 is a `hidden beast` number, since 6 + 8 + 1 + 4 + 0 + 29 + 6 + 612 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (68140296613) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563038 + ... + 673269.
Almost surely, 268140296612 is an apocalyptic number.
It is an amenable number.
68140296612 is an abundant number, since it is smaller than the sum of its proper divisors (104215874284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68140296612 is a wasteful number, since it uses less digits than its factorization.
68140296612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1237848 (or 1237843 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The spelling of 68140296612 in words is "sixty-eight billion, one hundred forty million, two hundred ninety-six thousand, six hundred twelve".
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