Base | Representation |
---|---|
bin | 10000100010100110… |
… | …01001111110111001 |
3 | 211220212121022122001 |
4 | 20101103021332321 |
5 | 121141310401024 |
6 | 4025100501001 |
7 | 433026122134 |
oct | 102123117671 |
9 | 24825538561 |
10 | 8880168889 |
11 | 3847695359 |
12 | 1879b4a761 |
13 | ab69b5207 |
14 | 60354121b |
15 | 36e90b244 |
hex | 2114c9fb9 |
8880168889 has 2 divisors, whose sum is σ = 8880168890. Its totient is φ = 8880168888.
The previous prime is 8880168881. The next prime is 8880168959. The reversal of 8880168889 is 9888610888.
8880168889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7511168889 + 1369000000 = 86667^2 + 37000^2 .
It is a cyclic number.
It is not a de Polignac number, because 8880168889 - 23 = 8880168881 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 8880168889.
It is not a weakly prime, because it can be changed into another prime (8880168881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4440084444 + 4440084445.
It is an arithmetic number, because the mean of its divisors is an integer number (4440084445).
Almost surely, 28880168889 is an apocalyptic number.
It is an amenable number.
8880168889 is a deficient number, since it is larger than the sum of its proper divisors (1).
8880168889 is an equidigital number, since it uses as much as digits as its factorization.
8880168889 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 14155776, while the sum is 64.
The square root of 8880168889 is about 94234.6480282067. The cubic root of 8880168889 is about 2070.8107390019.
The spelling of 8880168889 in words is "eight billion, eight hundred eighty million, one hundred sixty-eight thousand, eight hundred eighty-nine".
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