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18714100459987 is a prime number
BaseRepresentation
bin1000100000101001101110…
…10011110110100111010011
32110021001100211121122012101
410100110313103312213103
54423102434204204422
6103445050012141231
73641022566205052
oct420246723664723
973231324548171
1018714100459987
115a6567291a169
122122b02467817
13a5996957045a
14489aa565a399
15226be3cd9c27
hex1105374f69d3

18714100459987 has 2 divisors, whose sum is σ = 18714100459988. Its totient is φ = 18714100459986.

The previous prime is 18714100459981. The next prime is 18714100460021. The reversal of 18714100459987 is 78995400141781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18714100459987 - 227 = 18713966242259 is a prime.

It is a super-3 number, since 3×187141004599873 (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (18714100459981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9357050229993 + 9357050229994.

It is an arithmetic number, because the mean of its divisors is an integer number (9357050229994).

Almost surely, 218714100459987 is an apocalyptic number.

18714100459987 is a deficient number, since it is larger than the sum of its proper divisors (1).

18714100459987 is an equidigital number, since it uses as much as digits as its factorization.

18714100459987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 64.

The spelling of 18714100459987 in words is "eighteen trillion, seven hundred fourteen billion, one hundred million, four hundred fifty-nine thousand, nine hundred eighty-seven".