Base | Representation |
---|---|
bin | 10000110101011100… |
… | …000000010010010111 |
3 | 1201122202221102000110 |
4 | 100311130000102113 |
5 | 244010024342324 |
6 | 12145412014103 |
7 | 1206643613625 |
oct | 206534002227 |
9 | 51582842013 |
10 | 18076402839 |
11 | 7736727000 |
12 | 3605901333 |
13 | 1921001571 |
14 | c36a38515 |
15 | 70be4b329 |
hex | 435700497 |
18076402839 has 32 divisors (see below), whose sum is σ = 27365603328. Its totient is φ = 10601923200.
The previous prime is 18076402789. The next prime is 18076402843. The reversal of 18076402839 is 93820467081.
It is not a de Polignac number, because 18076402839 - 29 = 18076402327 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18076402639) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50767 + ... + 196799.
It is an arithmetic number, because the mean of its divisors is an integer number (855175104).
Almost surely, 218076402839 is an apocalyptic number.
18076402839 is a deficient number, since it is larger than the sum of its proper divisors (9289200489).
18076402839 is a wasteful number, since it uses less digits than its factorization.
18076402839 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146100 (or 146078 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 48.
The spelling of 18076402839 in words is "eighteen billion, seventy-six million, four hundred two thousand, eight hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •