Base | Representation |
---|---|
bin | 10001100111111100… |
… | …110001100100010000 |
3 | 1210211211120101121001 |
4 | 101213330301210100 |
5 | 302224001312341 |
6 | 12405443511344 |
7 | 1236644051200 |
oct | 214774614420 |
9 | 53754511531 |
10 | 18923854096 |
11 | 8031027744 |
12 | 3801688554 |
13 | 1a27759704 |
14 | cb73d6400 |
15 | 75b547d31 |
hex | 467f31910 |
18923854096 has 105 divisors (see below), whose sum is σ = 45316777089. Its totient is φ = 7633151232.
The previous prime is 18923854067. The next prime is 18923854109. The reversal of 18923854096 is 69045832981.
The square root of 18923854096 is 137564.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 3 ways, for example, as 192099600 + 18731754496 = 13860^2 + 136864^2 .
It is a super-2 number, since 2×189238540962 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1113167880 + ... + 1113167896.
Almost surely, 218923854096 is an apocalyptic number.
18923854096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
18923854096 is the 137564-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18923854096
18923854096 is an abundant number, since it is smaller than the sum of its proper divisors (26392922993).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18923854096 is an frugal number, since it uses more digits than its factorization.
18923854096 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124 (or 26 counting only the distinct ones).
The product of its (nonzero) digits is 3732480, while the sum is 55.
The spelling of 18923854096 in words is "eighteen billion, nine hundred twenty-three million, eight hundred fifty-four thousand, ninety-six".
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