Base | Representation |
---|---|
bin | 100000000100010011… |
… | …1111101000100001100 |
3 | 20120202021002012120022 |
4 | 1000020213331010030 |
5 | 2112013211340304 |
6 | 51345154041312 |
7 | 4655342525456 |
oct | 1001047750414 |
9 | 216667065508 |
10 | 68864168204 |
11 | 27229033907 |
12 | 1141a579238 |
13 | 665602c430 |
14 | 3493c2b2d6 |
15 | 1bd0a4cebe |
hex | 10089fd10c |
68864168204 has 24 divisors (see below), whose sum is σ = 129794978880. Its totient is φ = 31780399104.
The previous prime is 68864168203. The next prime is 68864168207. The reversal of 68864168204 is 40286146886.
It is not an unprimeable number, because it can be changed into a prime (68864168203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534317 + ... + 650555.
It is an arithmetic number, because the mean of its divisors is an integer number (5408124120).
Almost surely, 268864168204 is an apocalyptic number.
It is an amenable number.
68864168204 is a deficient number, since it is larger than the sum of its proper divisors (60930810676).
68864168204 is a wasteful number, since it uses less digits than its factorization.
68864168204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127649 (or 127647 counting only the distinct ones).
The product of its (nonzero) digits is 3538944, while the sum is 53.
The spelling of 68864168204 in words is "sixty-eight billion, eight hundred sixty-four million, one hundred sixty-eight thousand, two hundred four".
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