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18327028303 = 197611267517
BaseRepresentation
bin10001000100011000…
…000100001001001111
31202022020112111112001
4101010120010021033
5300013204401203
612230323453131
71216106112253
oct210430041117
952266474461
1018327028303
117855147691
1236758271a7
131960c0285c
14c5c038263
15723e5591d
hex44460424f

18327028303 has 8 divisors (see below), whose sum is σ = 19316974320. Its totient is φ = 17339618880.

The previous prime is 18327028301. The next prime is 18327028309. The reversal of 18327028303 is 30382072381.

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

It is not a de Polignac number, because 18327028303 - 21 = 18327028301 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 (18327028301) 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, 619300 + ... + 648217.

It is an arithmetic number, because the mean of its divisors is an integer number (2414621790).

Almost surely, 218327028303 is an apocalyptic number.

18327028303 is a deficient number, since it is larger than the sum of its proper divisors (989946017).

18327028303 is a wasteful number, since it uses less digits than its factorization.

18327028303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268297.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 18327028303 in words is "eighteen billion, three hundred twenty-seven million, twenty-eight thousand, three hundred three".

Divisors: 1 19 761 14459 1267517 24082823 964580437 18327028303