Base | Representation |
---|---|
bin | 100010100010… |
… | …1001001111101 |
3 | 1021002000221200 |
4 | 1011011021331 |
5 | 14113442203 |
6 | 1444050113 |
7 | 306632034 |
oct | 105051175 |
9 | 37060850 |
10 | 18109053 |
11 | a249666 |
12 | 6093939 |
13 | 39a0821 |
14 | 259571b |
15 | 18ca9a3 |
hex | 114527d |
18109053 has 24 divisors (see below), whose sum is σ = 27595776. Its totient is φ = 11426400.
The previous prime is 18109051. The next prime is 18109061. The reversal of 18109053 is 35090181.
It is not a de Polignac number, because 18109053 - 21 = 18109051 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18109051) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12423 + ... + 13803.
It is an arithmetic number, because the mean of its divisors is an integer number (1149824).
Almost surely, 218109053 is an apocalyptic number.
It is an amenable number.
18109053 is a deficient number, since it is larger than the sum of its proper divisors (9486723).
18109053 is a wasteful number, since it uses less digits than its factorization.
18109053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1465 (or 1462 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
The square root of 18109053 is about 4255.4732991760. The cubic root of 18109053 is about 262.6023328905.
The spelling of 18109053 in words is "eighteen million, one hundred nine thousand, fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •