Base | Representation |
---|---|
bin | 1000001100010000100011… |
… | …00110101010110111111111 |
3 | 2100210001200222212010121022 |
4 | 10012020101212222313333 |
5 | 4330112404334023213 |
6 | 102151123012254355 |
7 | 3536265360162212 |
oct | 406102146526777 |
9 | 70701628763538 |
10 | 18013388189183 |
11 | 581548702aa12 |
12 | 202b1473113bb |
13 | a08869688aca |
14 | 463bd1905779 |
15 | 213882439308 |
hex | 1062119aadff |
18013388189183 has 4 divisors (see below), whose sum is σ = 18128123145960. Its totient is φ = 17898653232408.
The previous prime is 18013388189177. The next prime is 18013388189189. The reversal of 18013388189183 is 38198188331081.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (18013388189177) and next prime (18013388189189).
It is a cyclic number.
It is not a de Polignac number, because 18013388189183 - 28 = 18013388188927 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18013388189189) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57367478153 + ... + 57367478466.
It is an arithmetic number, because the mean of its divisors is an integer number (4532030786490).
Almost surely, 218013388189183 is an apocalyptic number.
18013388189183 is a deficient number, since it is larger than the sum of its proper divisors (114734956777).
18013388189183 is a wasteful number, since it uses less digits than its factorization.
18013388189183 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 114734956776.
The product of its (nonzero) digits is 7962624, while the sum is 62.
The spelling of 18013388189183 in words is "eighteen trillion, thirteen billion, three hundred eighty-eight million, one hundred eighty-nine thousand, one hundred eighty-three".
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