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18066883 is a prime number
BaseRepresentation
bin100010011101…
…0110111000011
31020222220002211
41010322313003
514111120013
61443122551
7306365062
oct104726703
936886084
1018066883
11a21aa0a
126073457
133987583
1425841d9
1518bd23d
hex113adc3

18066883 has 2 divisors, whose sum is σ = 18066884. Its totient is φ = 18066882.

The previous prime is 18066871. The next prime is 18066887. The reversal of 18066883 is 38866081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18066883 - 221 = 15969731 is a prime.

It is a super-2 number, since 2×180668832 = 652824522671378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18066887) 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, 9033441 + 9033442.

It is an arithmetic number, because the mean of its divisors is an integer number (9033442).

Almost surely, 218066883 is an apocalyptic number.

18066883 is a deficient number, since it is larger than the sum of its proper divisors (1).

18066883 is an equidigital number, since it uses as much as digits as its factorization.

18066883 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 18066883 is about 4250.5156157812. The cubic root of 18066883 is about 262.3983364444.

The spelling of 18066883 in words is "eighteen million, sixty-six thousand, eight hundred eighty-three".