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18374923277 = 201127533319
BaseRepresentation
bin10001000111001110…
…110001010000001101
31202102120122211001222
4101013032301100031
5300112440021102
612235154213125
71220230161614
oct210716612015
952376584058
1018374923277
11787a18a907
1236898841a5
13196ab01a89
14c6454487b
15728266aa2
hex4473b140d

18374923277 has 8 divisors (see below), whose sum is σ = 18396279360. Its totient is φ = 18353583360.

The previous prime is 18374923267. The next prime is 18374923309. The reversal of 18374923277 is 77232947381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18374923277 - 216 = 18374857741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18374923207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5534624 + ... + 5537942.

It is an arithmetic number, because the mean of its divisors is an integer number (2299534920).

Almost surely, 218374923277 is an apocalyptic number.

It is an amenable number.

18374923277 is a deficient number, since it is larger than the sum of its proper divisors (21356083).

18374923277 is a wasteful number, since it uses less digits than its factorization.

18374923277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8083.

The product of its digits is 3556224, while the sum is 53.

The spelling of 18374923277 in words is "eighteen billion, three hundred seventy-four million, nine hundred twenty-three thousand, two hundred seventy-seven".

Divisors: 1 2011 2753 3319 5536283 6674509 9137207 18374923277