Base | Representation |
---|---|
bin | 110111010110110000… |
… | …1010110011000011101 |
3 | 102100211121212211112202 |
4 | 1232231201112120131 |
5 | 3421424040132124 |
6 | 130335514341245 |
7 | 11405561346344 |
oct | 1565541263035 |
9 | 370747784482 |
10 | 118875317789 |
11 | 46462021798 |
12 | 1b05712a825 |
13 | b2961a4037 |
14 | 5a79c20b5b |
15 | 315b3965ae |
hex | 1bad85661d |
118875317789 has 2 divisors, whose sum is σ = 118875317790. Its totient is φ = 118875317788.
The previous prime is 118875317783. The next prime is 118875317791. The reversal of 118875317789 is 987713578811.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 61959672889 + 56915644900 = 248917^2 + 238570^2 .
It is an emirp because it is prime and its reverse (987713578811) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-118875317789 is a prime.
It is a Sophie Germain prime.
Together with 118875317791, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (118875317783) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59437658894 + 59437658895.
It is an arithmetic number, because the mean of its divisors is an integer number (59437658895).
Almost surely, 2118875317789 is an apocalyptic number.
It is an amenable number.
118875317789 is a deficient number, since it is larger than the sum of its proper divisors (1).
118875317789 is an equidigital number, since it uses as much as digits as its factorization.
118875317789 is an evil number, because the sum of its binary digits is even.
The product of its digits is 23708160, while the sum is 65.
The spelling of 118875317789 in words is "one hundred eighteen billion, eight hundred seventy-five million, three hundred seventeen thousand, seven hundred eighty-nine".
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