Base | Representation |
---|---|
bin | 10000111001010000… |
… | …001001110000010111 |
3 | 1201211020101001010221 |
4 | 100321100021300113 |
5 | 244122420423014 |
6 | 12200015455211 |
7 | 1211351616301 |
oct | 207120116027 |
9 | 51736331127 |
10 | 18140404759 |
11 | 7769870654 |
12 | 3623227507 |
13 | 193134cc19 |
14 | c41338971 |
15 | 71288eb24 |
hex | 439409c17 |
18140404759 has 2 divisors, whose sum is σ = 18140404760. Its totient is φ = 18140404758.
The previous prime is 18140404741. The next prime is 18140404813. The reversal of 18140404759 is 95740404181.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 18140404759 - 217 = 18140273687 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (18140404729) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9070202379 + 9070202380.
It is an arithmetic number, because the mean of its divisors is an integer number (9070202380).
Almost surely, 218140404759 is an apocalyptic number.
18140404759 is a deficient number, since it is larger than the sum of its proper divisors (1).
18140404759 is an equidigital number, since it uses as much as digits as its factorization.
18140404759 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 161280, while the sum is 43.
The spelling of 18140404759 in words is "eighteen billion, one hundred forty million, four hundred four thousand, seven hundred fifty-nine".
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