Base | Representation |
---|---|
bin | 10000110001010011… |
… | …011000010101001100 |
3 | 1201110221102001201020 |
4 | 100301103120111030 |
5 | 243334300030124 |
6 | 12134453114140 |
7 | 1205142153651 |
oct | 206123302514 |
9 | 51427361636 |
10 | 18007033164 |
11 | 770055659a |
12 | 35a6628950 |
13 | 190c823913 |
14 | c2b73bc28 |
15 | 705ce7379 |
hex | 4314d854c |
18007033164 has 24 divisors (see below), whose sum is σ = 43151990448. Its totient is φ = 5840118720.
The previous prime is 18007033141. The next prime is 18007033169. The reversal of 18007033164 is 46133070081.
It is not an unprimeable number, because it can be changed into a prime (18007033169) 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, 20277747 + ... + 20278634.
It is an arithmetic number, because the mean of its divisors is an integer number (1797999602).
Almost surely, 218007033164 is an apocalyptic number.
It is an amenable number.
18007033164 is an abundant number, since it is smaller than the sum of its proper divisors (25144957284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18007033164 is a wasteful number, since it uses less digits than its factorization.
18007033164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40556425 (or 40556423 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 33.
The spelling of 18007033164 in words is "eighteen billion, seven million, thirty-three thousand, one hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.098 sec. • engine limits •