Base | Representation |
---|---|
bin | 111001110000000… |
… | …001001000100100 |
3 | 2111112010122122220 |
4 | 321300001020210 |
5 | 3441013420433 |
6 | 240050352340 |
7 | 33003263613 |
oct | 7160011044 |
9 | 2445118586 |
10 | 968888868 |
11 | 457a04602 |
12 | 23058b6b0 |
13 | 12596652c |
14 | 9296d87a |
15 | 5a0d82b3 |
hex | 39c01224 |
968888868 has 12 divisors (see below), whose sum is σ = 2260740720. Its totient is φ = 322962952.
The previous prime is 968888863. The next prime is 968888881. The reversal of 968888868 is 868888869.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (968888861) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40370358 + ... + 40370381.
It is an arithmetic number, because the mean of its divisors is an integer number (188395060).
Almost surely, 2968888868 is an apocalyptic number.
It is an amenable number.
968888868 is an abundant number, since it is smaller than the sum of its proper divisors (1291851852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
968888868 is a wasteful number, since it uses less digits than its factorization.
968888868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80740746 (or 80740744 counting only the distinct ones).
The product of its digits is 84934656, while the sum is 69.
The square root of 968888868 is about 31126.9797442669. The cubic root of 968888868 is about 989.5201796873.
Subtracting from 968888868 its reverse (868888869), we obtain a palindrome (99999999).
The spelling of 968888868 in words is "nine hundred sixty-eight million, eight hundred eighty-eight thousand, eight hundred sixty-eight".
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