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18330127 is a prime number
BaseRepresentation
bin100010111101…
…1001000001111
31021111021012121
41011323020033
514143031002
61452513411
7311542414
oct105731017
937437177
1018330127
11a38a772
12617b867
133a4a33a
14261210b
151921237
hex117b20f

18330127 has 2 divisors, whose sum is σ = 18330128. Its totient is φ = 18330126.

The previous prime is 18330119. The next prime is 18330139. The reversal of 18330127 is 72103381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18330127 - 23 = 18330119 is a prime.

It is a super-2 number, since 2×183301272 = 671987111672258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18330107) 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 as a sum of consecutive naturals, namely, 9165063 + 9165064.

It is an arithmetic number, because the mean of its divisors is an integer number (9165064).

Almost surely, 218330127 is an apocalyptic number.

18330127 is a deficient number, since it is larger than the sum of its proper divisors (1).

18330127 is an equidigital number, since it uses as much as digits as its factorization.

18330127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 18330127 is about 4281.3697574491. The cubic root of 18330127 is about 263.6666236913. Note that the first 4 decimals are identical.

The spelling of 18330127 in words is "eighteen million, three hundred thirty thousand, one hundred twenty-seven".