Base | Representation |
---|---|
bin | 100011001110… |
… | …0110010101011 |
3 | 1021202021100102 |
4 | 1012130302223 |
5 | 14211434021 |
6 | 1455500015 |
7 | 312655412 |
oct | 106346253 |
9 | 37667312 |
10 | 18468011 |
11 | a474321 |
12 | 622760b |
13 | 3a98023 |
14 | 264a479 |
15 | 194c00b |
hex | 119ccab |
18468011 has 8 divisors (see below), whose sum is σ = 19414944. Its totient is φ = 17533120.
The previous prime is 18467989. The next prime is 18468017. The reversal of 18468011 is 11086481.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18468011 - 218 = 18205867 is a prime.
It is a super-2 number, since 2×184680112 = 682134860592242, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (18468017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221 + ... + 6081.
It is an arithmetic number, because the mean of its divisors is an integer number (2426868).
Almost surely, 218468011 is an apocalyptic number.
18468011 is a deficient number, since it is larger than the sum of its proper divisors (946933).
18468011 is a wasteful number, since it uses less digits than its factorization.
18468011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6021.
The product of its (nonzero) digits is 1536, while the sum is 29.
The square root of 18468011 is about 4297.4423789040. The cubic root of 18468011 is about 264.3260959270.
The spelling of 18468011 in words is "eighteen million, four hundred sixty-eight thousand, eleven".
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