Base | Representation |
---|---|
bin | 10001000110100010… |
… | …000011010011100100 |
3 | 1202101202121020202221 |
4 | 101012202003103210 |
5 | 300101434410430 |
6 | 12234055042124 |
7 | 1220025426253 |
oct | 210642032344 |
9 | 52352536687 |
10 | 18363200740 |
11 | 7873603565 |
12 | 3685970344 |
13 | 1968559171 |
14 | c62b7279a |
15 | 7271ed57a |
hex | 4468834e4 |
18363200740 has 24 divisors (see below), whose sum is σ = 39459530880. Its totient is φ = 7174459488.
The previous prime is 18363200719. The next prime is 18363200747. The reversal of 18363200740 is 4700236381.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 18363200696 and 18363200705.
It is not an unprimeable number, because it can be changed into a prime (18363200747) 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, 10675420 + ... + 10677139.
It is an arithmetic number, because the mean of its divisors is an integer number (1644147120).
Almost surely, 218363200740 is an apocalyptic number.
18363200740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18363200740 is an abundant number, since it is smaller than the sum of its proper divisors (21096330140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18363200740 is a wasteful number, since it uses less digits than its factorization.
18363200740 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21352611 (or 21352609 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 34.
The spelling of 18363200740 in words is "eighteen billion, three hundred sixty-three million, two hundred thousand, seven hundred forty".
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