Base | Representation |
---|---|
bin | 1000001101100… |
… | …11100011000100 |
3 | 11210122010020201 |
4 | 10012303203010 |
5 | 120114032433 |
6 | 10500340244 |
7 | 1464402562 |
oct | 406634304 |
9 | 153563221 |
10 | 68892868 |
11 | 35985260 |
12 | 1b0a4684 |
13 | 11371915 |
14 | 9214a32 |
15 | 60aca7d |
hex | 41b38c4 |
68892868 has 12 divisors (see below), whose sum is σ = 131522832. Its totient is φ = 31314920.
The previous prime is 68892847. The next prime is 68892871. The reversal of 68892868 is 86829886.
It is a super-2 number, since 2×688928682 = 9492454522530848, which contains 22 as substring.
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 in 3 ways as a sum of consecutive naturals, for example, 782830 + ... + 782917.
It is an arithmetic number, because the mean of its divisors is an integer number (10960236).
Almost surely, 268892868 is an apocalyptic number.
It is an amenable number.
68892868 is a deficient number, since it is larger than the sum of its proper divisors (62629964).
68892868 is a wasteful number, since it uses less digits than its factorization.
68892868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1565762 (or 1565760 counting only the distinct ones).
The product of its digits is 2654208, while the sum is 55.
The square root of 68892868 is about 8300.1727692862. The cubic root of 68892868 is about 409.9442081529.
The spelling of 68892868 in words is "sixty-eight million, eight hundred ninety-two thousand, eight hundred sixty-eight".
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