Base | Representation |
---|---|
bin | 10001000111110000… |
… | …010000000000110111 |
3 | 1202110012011201111122 |
4 | 101013300100000313 |
5 | 300122211400043 |
6 | 12240110254155 |
7 | 1220364605033 |
oct | 210760200067 |
9 | 52405151448 |
10 | 18383700023 |
11 | 7884134a17 |
12 | 36907b735b |
13 | 196c885910 |
14 | c6578b1c3 |
15 | 728dec368 |
hex | 447c10037 |
18383700023 has 8 divisors (see below), whose sum is σ = 20962409328. Its totient is φ = 15971359104.
The previous prime is 18383700019. The next prime is 18383700037. The reversal of 18383700023 is 32000738381.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 18383700023 - 22 = 18383700019 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 (18383700053) 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, 41591861 + ... + 41592302.
It is an arithmetic number, because the mean of its divisors is an integer number (2620301166).
Almost surely, 218383700023 is an apocalyptic number.
18383700023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
18383700023 is a deficient number, since it is larger than the sum of its proper divisors (2578709305).
18383700023 is a wasteful number, since it uses less digits than its factorization.
18383700023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83184193.
The product of its (nonzero) digits is 24192, while the sum is 35.
The spelling of 18383700023 in words is "eighteen billion, three hundred eighty-three million, seven hundred thousand, twenty-three".
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