Base | Representation |
---|---|
bin | 10000110100111011… |
… | …111000100001011001 |
3 | 1201122012002121101021 |
4 | 100310323320201121 |
5 | 244000400414200 |
6 | 12144511322441 |
7 | 1206512213413 |
oct | 206473704131 |
9 | 51565077337 |
10 | 18067982425 |
11 | 77319a5689 |
12 | 3602b20421 |
13 | 191c34397c |
14 | c358859b3 |
15 | 70b33641a |
hex | 434ef8859 |
18067982425 has 6 divisors (see below), whose sum is σ = 22404298238. Its totient is φ = 14454385920.
The previous prime is 18067982407. The next prime is 18067982461. The reversal of 18067982425 is 52428976081.
It can be written as a sum of positive squares in 3 ways, for example, as 594579456 + 17473402969 = 24384^2 + 132187^2 .
It is not a de Polignac number, because 18067982425 - 215 = 18067949657 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361359624 + ... + 361359673.
Almost surely, 218067982425 is an apocalyptic number.
It is an amenable number.
18067982425 is a deficient number, since it is larger than the sum of its proper divisors (4336315813).
18067982425 is an equidigital number, since it uses as much as digits as its factorization.
18067982425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 722719307 (or 722719302 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 52.
The spelling of 18067982425 in words is "eighteen billion, sixty-seven million, nine hundred eighty-two thousand, four hundred twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •