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18327028411 = 64367742101
BaseRepresentation
bin10001000100011000…
…000100001010111011
31202022020112111200001
4101010120010022323
5300013204402121
612230323453431
71216106112466
oct210430041273
952266474601
1018327028411
11785514777a
123675827277
131960c02913
14c5c0382dd
15723e55991
hex4446042bb

18327028411 has 8 divisors (see below), whose sum is σ = 18383080464. Its totient is φ = 18271063200.

The previous prime is 18327028361. The next prime is 18327028453. The reversal of 18327028411 is 11482072381.

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 18327028411 - 221 = 18324931259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18327028711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414261 + ... + 456361.

It is an arithmetic number, because the mean of its divisors is an integer number (2297885058).

Almost surely, 218327028411 is an apocalyptic number.

18327028411 is a deficient number, since it is larger than the sum of its proper divisors (56052053).

18327028411 is an equidigital number, since it uses as much as digits as its factorization.

18327028411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43421.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 18327028411 in words is "eighteen billion, three hundred twenty-seven million, twenty-eight thousand, four hundred eleven".

Divisors: 1 643 677 42101 435311 27070943 28502377 18327028411