Base | Representation |
---|---|
bin | 111111101011110001… |
… | …101010111001110000 |
3 | 20112111112100212001112 |
4 | 333223301222321300 |
5 | 2110020311112414 |
6 | 51225144252452 |
7 | 4640344622441 |
oct | 775361527160 |
9 | 215445325045 |
10 | 68380175984 |
11 | 26aaa91033a |
12 | 11304471128 |
13 | 65a99905c3 |
14 | 34498412c8 |
15 | 1ba32e7d3e |
hex | febc6ae70 |
68380175984 has 20 divisors (see below), whose sum is σ = 132600545016. Its totient is φ = 34160680512.
The previous prime is 68380175977. The next prime is 68380176023. The reversal of 68380175984 is 48957108386.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1818779 + ... + 1855994.
Almost surely, 268380175984 is an apocalyptic number.
It is an amenable number.
68380175984 is a deficient number, since it is larger than the sum of its proper divisors (64220369032).
68380175984 is a wasteful number, since it uses less digits than its factorization.
68380175984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3675944 (or 3675938 counting only the distinct ones).
The product of its (nonzero) digits is 11612160, while the sum is 59.
The spelling of 68380175984 in words is "sixty-eight billion, three hundred eighty million, one hundred seventy-five thousand, nine hundred eighty-four".
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