Base | Representation |
---|---|
bin | 1000010011100010101000… |
… | …11110001001001111001101 |
3 | 2101122222120221122020110012 |
4 | 10021301110132021033031 |
5 | 4343212342220142033 |
6 | 102502105040323005 |
7 | 3563334324453032 |
oct | 411612436111715 |
9 | 71588527566405 |
10 | 18263618130893 |
11 | 5901614337833 |
12 | 206b740913465 |
13 | a26337286585 |
14 | 471d6ca91389 |
15 | 21a12a524248 |
hex | 109c547893cd |
18263618130893 has 8 divisors (see below), whose sum is σ = 18272882924928. Its totient is φ = 18254353740064.
The previous prime is 18263618130887. The next prime is 18263618130911. The reversal of 18263618130893 is 39803181636281.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 18263618130893 - 26 = 18263618130829 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18263618130803) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137302505 + ... + 137435457.
It is an arithmetic number, because the mean of its divisors is an integer number (2284110365616).
Almost surely, 218263618130893 is an apocalyptic number.
It is an amenable number.
18263618130893 is a deficient number, since it is larger than the sum of its proper divisors (9264794035).
18263618130893 is a wasteful number, since it uses less digits than its factorization.
18263618130893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201603.
The product of its (nonzero) digits is 8957952, while the sum is 59.
The spelling of 18263618130893 in words is "eighteen trillion, two hundred sixty-three billion, six hundred eighteen million, one hundred thirty thousand, eight hundred ninety-three".
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