Base | Representation |
---|---|
bin | 10001001011010100… |
… | …001111110100011010 |
3 | 1202121100122020211120 |
4 | 101023110033310122 |
5 | 300233011434213 |
6 | 12250043310110 |
7 | 1222021614621 |
oct | 211324176432 |
9 | 52540566746 |
10 | 18443468058 |
11 | 7904947594 |
12 | 36a881b336 |
13 | 197c081112 |
14 | c6d6a86b8 |
15 | 72e2a6423 |
hex | 44b50fd1a |
18443468058 has 16 divisors (see below), whose sum is σ = 37671765120. Its totient is φ = 6017017856.
The previous prime is 18443468041. The next prime is 18443468077. The reversal of 18443468058 is 85086434481.
It is a super-3 number, since 3×184434680583 (a number of 32 digits) contains 333 as substring.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 18443468058.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32700903 + ... + 32701466.
It is an arithmetic number, because the mean of its divisors is an integer number (2354485320).
Almost surely, 218443468058 is an apocalyptic number.
18443468058 is an abundant number, since it is smaller than the sum of its proper divisors (19228297062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18443468058 is a wasteful number, since it uses less digits than its factorization.
18443468058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65402421.
The product of its (nonzero) digits is 2949120, while the sum is 51.
The spelling of 18443468058 in words is "eighteen billion, four hundred forty-three million, four hundred sixty-eight thousand, fifty-eight".
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