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18130627 is a prime number
BaseRepresentation
bin100010100101…
…0011011000011
31021010010112201
41011022123003
514120140002
61444334031
7310051654
oct105123303
937103481
1018130627
11a263899
1260a4317
1339aa5a8
14259d52b
1518d2087
hex114a6c3

18130627 has 2 divisors, whose sum is σ = 18130628. Its totient is φ = 18130626.

The previous prime is 18130621. The next prime is 18130657. The reversal of 18130627 is 72603181.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-18130627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18130595 and 18130604.

It is not a weakly prime, because it can be changed into another prime (18130621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9065313 + 9065314.

It is an arithmetic number, because the mean of its divisors is an integer number (9065314).

Almost surely, 218130627 is an apocalyptic number.

18130627 is a deficient number, since it is larger than the sum of its proper divisors (1).

18130627 is an equidigital number, since it uses as much as digits as its factorization.

18130627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 18130627 is about 4258.0073978329. The cubic root of 18130627 is about 262.7065742042.

The spelling of 18130627 in words is "eighteen million, one hundred thirty thousand, six hundred twenty-seven".