Base | Representation |
---|---|
bin | 1000001010101… |
… | …10000111011000 |
3 | 11202220200021122 |
4 | 10011112013120 |
5 | 120014311133 |
6 | 10444224412 |
7 | 1461220046 |
oct | 405260730 |
9 | 152820248 |
10 | 68510168 |
11 | 35743781 |
12 | 1ab3b108 |
13 | 1126967c |
14 | 9155396 |
15 | 6034498 |
hex | 41561d8 |
68510168 has 8 divisors (see below), whose sum is σ = 128456580. Its totient is φ = 34255080.
The previous prime is 68510149. The next prime is 68510173. The reversal of 68510168 is 86101586.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4281878 + ... + 4281893.
Almost surely, 268510168 is an apocalyptic number.
It is an amenable number.
68510168 is a deficient number, since it is larger than the sum of its proper divisors (59946412).
68510168 is a wasteful number, since it uses less digits than its factorization.
68510168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8563777 (or 8563773 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 35.
The square root of 68510168 is about 8277.0869271743. The cubic root of 68510168 is about 409.1837179750.
The spelling of 68510168 in words is "sixty-eight million, five hundred ten thousand, one hundred sixty-eight".
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