Base | Representation |
---|---|
bin | 1000100000101001101110… |
… | …10011110110100111010011 |
3 | 2110021001100211121122012101 |
4 | 10100110313103312213103 |
5 | 4423102434204204422 |
6 | 103445050012141231 |
7 | 3641022566205052 |
oct | 420246723664723 |
9 | 73231324548171 |
10 | 18714100459987 |
11 | 5a6567291a169 |
12 | 2122b02467817 |
13 | a5996957045a |
14 | 489aa565a399 |
15 | 226be3cd9c27 |
hex | 1105374f69d3 |
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".
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