Base | Representation |
---|---|
bin | 10001100100101010… |
… | …000101101000001010 |
3 | 1210200222122101222120 |
4 | 101210222011220022 |
5 | 302120331431012 |
6 | 12400152032110 |
7 | 1235403441153 |
oct | 214452055012 |
9 | 53628571876 |
10 | 18868623882 |
11 | 8002934439 |
12 | 37a7092636 |
13 | 1a1918c804 |
14 | cadd3a92a |
15 | 75678858c |
hex | 464a85a0a |
18868623882 has 8 divisors (see below), whose sum is σ = 37737247776. Its totient is φ = 6289541292.
The previous prime is 18868623877. The next prime is 18868623913. The reversal of 18868623882 is 28832686881.
It is a sphenic number, since it is the product of 3 distinct primes.
18868623882 is an admirable number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 1572385318 + ... + 1572385329.
It is an arithmetic number, because the mean of its divisors is an integer number (4717155972).
Almost surely, 218868623882 is an apocalyptic number.
18868623882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18868623882 is a wasteful number, since it uses less digits than its factorization.
18868623882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3144770652.
The product of its digits is 14155776, while the sum is 60.
The spelling of 18868623882 in words is "eighteen billion, eight hundred sixty-eight million, six hundred twenty-three thousand, eight hundred eighty-two".
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