Base | Representation |
---|---|
bin | 1001100110101… |
… | …01111101101000 |
3 | 12121121021202020 |
4 | 10303111331220 |
5 | 131111140133 |
6 | 11554504440 |
7 | 1665550422 |
oct | 463257550 |
9 | 177537666 |
10 | 80568168 |
11 | 4152a06a |
12 | 22b95120 |
13 | 138cbb95 |
14 | a9b3812 |
15 | 71170b3 |
hex | 4cd5f68 |
80568168 has 64 divisors (see below), whose sum is σ = 214643520. Its totient is φ = 25113600.
The previous prime is 80568167. The next prime is 80568179. The reversal of 80568168 is 86186508.
It is not an unprimeable number, because it can be changed into a prime (80568167) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73303 + ... + 74393.
It is an arithmetic number, because the mean of its divisors is an integer number (3353805).
Almost surely, 280568168 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80568168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107321760).
80568168 is an abundant number, since it is smaller than the sum of its proper divisors (134075352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80568168 is a wasteful number, since it uses less digits than its factorization.
80568168 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1298 (or 1294 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 42.
The square root of 80568168 is about 8975.9772726985. The cubic root of 80568168 is about 431.9045999903.
The spelling of 80568168 in words is "eighty million, five hundred sixty-eight thousand, one hundred sixty-eight".
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