Base | Representation |
---|---|
bin | 10001000111111001… |
… | …110001011110001000 |
3 | 1202110100212112211120 |
4 | 101013321301132020 |
5 | 300123331240420 |
6 | 12240235555240 |
7 | 1220425043010 |
oct | 210771613610 |
9 | 52410775746 |
10 | 18386196360 |
11 | 788558a504 |
12 | 36915bbb20 |
13 | 197024ac3c |
14 | c65c3ac40 |
15 | 729241d40 |
hex | 447e71788 |
18386196360 has 128 divisors (see below), whose sum is σ = 63090385920. Its totient is φ = 4199092992.
The previous prime is 18386196341. The next prime is 18386196391. The reversal of 18386196360 is 6369168381.
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 31 ways as a sum of consecutive naturals, for example, 1089507 + ... + 1106253.
It is an arithmetic number, because the mean of its divisors is an integer number (492893640).
Almost surely, 218386196360 is an apocalyptic number.
18386196360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18386196360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31545192960).
18386196360 is an abundant number, since it is smaller than the sum of its proper divisors (44704189560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18386196360 is a wasteful number, since it uses less digits than its factorization.
18386196360 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18075 (or 18071 counting only the distinct ones).
The product of its (nonzero) digits is 1119744, while the sum is 51.
The spelling of 18386196360 in words is "eighteen billion, three hundred eighty-six million, one hundred ninety-six thousand, three hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •