Base | Representation |
---|---|
bin | 100010100001… |
… | …0111111000100 |
3 | 1021001120202110 |
4 | 1011002333010 |
5 | 14113201124 |
6 | 1443541020 |
7 | 306564105 |
oct | 105027704 |
9 | 37046673 |
10 | 18100164 |
11 | a242a15 |
12 | 608a770 |
13 | 3999774 |
14 | 25923ac |
15 | 18c8029 |
hex | 1142fc4 |
18100164 has 48 divisors (see below), whose sum is σ = 43608320. Its totient is φ = 5840640.
The previous prime is 18100157. The next prime is 18100169. The reversal of 18100164 is 46100181.
It is a self number, because there is not a number n which added to its sum of digits gives 18100164.
It is not an unprimeable number, because it can be changed into a prime (18100169) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 57672 + ... + 57984.
Almost surely, 218100164 is an apocalyptic number.
It is an amenable number.
18100164 is an abundant number, since it is smaller than the sum of its proper divisors (25508156).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18100164 is a wasteful number, since it uses less digits than its factorization.
18100164 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 460 (or 458 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 21.
The square root of 18100164 is about 4254.4287513132. The cubic root of 18100164 is about 262.5593589118.
The spelling of 18100164 in words is "eighteen million, one hundred thousand, one hundred sixty-four".
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