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18364307379 = 3111621343303
BaseRepresentation
bin10001000110100110…
…010001011110110011
31202101211200110210120
4101012212101132303
5300102230314004
612234134501323
71220041015515
oct210646213663
952354613716
1018364307379
117874199a40
123686204843
131968855a92
14c62d7dbb5
1572736b3d9
hex4469917b3

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".

Divisors: 1 3 11 33 1621 4863 17831 53493 343303 1029909 3776333 11328999 556494163 1669482489 6121435793 18364307379