Base | Representation |
---|---|
bin | 10000110111101110… |
… | …010101011110100101 |
3 | 1201202110010021210121 |
4 | 100313232111132211 |
5 | 244044334401121 |
6 | 12153302121541 |
7 | 1210620641062 |
oct | 206756253645 |
9 | 51673107717 |
10 | 18114762661 |
11 | 7756347336 |
12 | 36167202b1 |
13 | 1928c42698 |
14 | c3bb81c69 |
15 | 7104c7141 |
hex | 437b957a5 |
18114762661 has 8 divisors (see below), whose sum is σ = 18256822848. Its totient is φ = 17972760000.
The previous prime is 18114762637. The next prime is 18114762689. The reversal of 18114762661 is 16626741181.
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 18114762661 - 211 = 18114760613 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 (18114762161) 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, 794541 + ... + 817021.
It is an arithmetic number, because the mean of its divisors is an integer number (2282102856).
Almost surely, 218114762661 is an apocalyptic number.
It is an amenable number.
18114762661 is a deficient number, since it is larger than the sum of its proper divisors (142060187).
18114762661 is a wasteful number, since it uses less digits than its factorization.
18114762661 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28763.
The product of its digits is 96768, while the sum is 43.
The spelling of 18114762661 in words is "eighteen billion, one hundred fourteen million, seven hundred sixty-two thousand, six hundred sixty-one".
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