Base | Representation |
---|---|
bin | 10001011010011111… |
… | …000011101101011011 |
3 | 1210021002111210112112 |
4 | 101122133003231123 |
5 | 301243134212113 |
6 | 12331214102535 |
7 | 1231232016512 |
oct | 213237035533 |
9 | 53232453475 |
10 | 18697960283 |
11 | 7a25569342 |
12 | 3759aaaa4b |
13 | 19bca07432 |
14 | c953d3679 |
15 | 7467c65a8 |
hex | 45a7c3b5b |
18697960283 has 2 divisors, whose sum is σ = 18697960284. Its totient is φ = 18697960282.
The previous prime is 18697960277. The next prime is 18697960313. The reversal of 18697960283 is 38206979681.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 18697960283 - 218 = 18697698139 is a prime.
It is a super-2 number, since 2×186979602832 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (18697960223) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9348980141 + 9348980142.
It is an arithmetic number, because the mean of its divisors is an integer number (9348980142).
Almost surely, 218697960283 is an apocalyptic number.
18697960283 is a deficient number, since it is larger than the sum of its proper divisors (1).
18697960283 is an equidigital number, since it uses as much as digits as its factorization.
18697960283 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 7838208, while the sum is 59.
The spelling of 18697960283 in words is "eighteen billion, six hundred ninety-seven million, nine hundred sixty thousand, two hundred eighty-three".
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