Base | Representation |
---|---|
bin | 10001000110100110… |
… | …010001011110110011 |
3 | 1202101211200110210120 |
4 | 101012212101132303 |
5 | 300102230314004 |
6 | 12234134501323 |
7 | 1220041015515 |
oct | 210646213663 |
9 | 52354613716 |
10 | 18364307379 |
11 | 7874199a40 |
12 | 3686204843 |
13 | 1968855a92 |
14 | c62d7dbb5 |
15 | 72736b3d9 |
hex | 4469917b3 |
18364307379 has 16 divisors (see below), whose sum is σ = 26728276224. Its totient is φ = 11122984800.
The previous prime is 18364307371. The next prime is 18364307413. The reversal of 18364307379 is 97370346381.
It is not a de Polignac number, because 18364307379 - 23 = 18364307371 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18364307371) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 118159 + ... + 225144.
It is an arithmetic number, because the mean of its divisors is an integer number (1670517264).
Almost surely, 218364307379 is an apocalyptic number.
18364307379 is a deficient number, since it is larger than the sum of its proper divisors (8363968845).
18364307379 is a wasteful number, since it uses less digits than its factorization.
18364307379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 344938.
The product of its (nonzero) digits is 2286144, while the sum is 51.
The spelling of 18364307379 in words is "eighteen billion, three hundred sixty-four million, three hundred seven thousand, three hundred seventy-nine".
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