Base | Representation |
---|---|
bin | 10000110001101101… |
… | …000000100111000011 |
3 | 1201111102001101212122 |
4 | 100301231000213003 |
5 | 243343010023442 |
6 | 12135253114455 |
7 | 1205253235445 |
oct | 206155004703 |
9 | 51442041778 |
10 | 18013751747 |
11 | 7704325342 |
12 | 35a8928a2b |
13 | 1911036a04 |
14 | c2c5aa495 |
15 | 7066c2dd2 |
hex | 431b409c3 |
18013751747 has 2 divisors, whose sum is σ = 18013751748. Its totient is φ = 18013751746.
The previous prime is 18013751713. The next prime is 18013751753. The reversal of 18013751747 is 74715731081.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 18013751747 - 216 = 18013686211 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18013751698 and 18013751707.
It is not a weakly prime, because it can be changed into another prime (18013751347) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9006875873 + 9006875874.
It is an arithmetic number, because the mean of its divisors is an integer number (9006875874).
Almost surely, 218013751747 is an apocalyptic number.
18013751747 is a deficient number, since it is larger than the sum of its proper divisors (1).
18013751747 is an equidigital number, since it uses as much as digits as its factorization.
18013751747 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 164640, while the sum is 44.
The spelling of 18013751747 in words is "eighteen billion, thirteen million, seven hundred fifty-one thousand, seven hundred forty-seven".
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