Base | Representation |
---|---|
bin | 100010100101… |
… | …0110001100111 |
3 | 1021010012112012 |
4 | 1011022301213 |
5 | 14120211241 |
6 | 1444344435 |
7 | 310056116 |
oct | 105126147 |
9 | 37105465 |
10 | 18132071 |
11 | a264991 |
12 | 60a511b |
13 | 39ab149 |
14 | 259dc7d |
15 | 18d26eb |
hex | 114ac67 |
18132071 has 2 divisors, whose sum is σ = 18132072. Its totient is φ = 18132070.
The previous prime is 18132053. The next prime is 18132089. The reversal of 18132071 is 17023181.
It is a happy number.
It is a balanced prime because it is at equal distance from previous prime (18132053) and next prime (18132089).
It is a cyclic number.
It is not a de Polignac number, because 18132071 - 26 = 18132007 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (18132031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9066035 + 9066036.
It is an arithmetic number, because the mean of its divisors is an integer number (9066036).
Almost surely, 218132071 is an apocalyptic number.
18132071 is a deficient number, since it is larger than the sum of its proper divisors (1).
18132071 is an equidigital number, since it uses as much as digits as its factorization.
18132071 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 336, while the sum is 23.
The square root of 18132071 is about 4258.1769573375. The cubic root of 18132071 is about 262.7135483742.
The spelling of 18132071 in words is "eighteen million, one hundred thirty-two thousand, seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •