Base | Representation |
---|---|
bin | 10001001101101101… |
… | …111101001101101001 |
3 | 1202201011110101202201 |
4 | 101031231331031221 |
5 | 300323320341100 |
6 | 12254043100201 |
7 | 1223021246011 |
oct | 211555751551 |
9 | 52634411681 |
10 | 18483762025 |
11 | 7925668a93 |
12 | 36ba211661 |
13 | 198751b6c1 |
14 | c74b96c41 |
15 | 732ab536a |
hex | 44db7d369 |
18483762025 has 9 divisors (see below), whose sum is σ = 22920707863. Its totient is φ = 14786465800.
The previous prime is 18483762013. The next prime is 18483762043. The reversal of 18483762025 is 52026738481.
The square root of 18483762025 is 135955.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 6654154329 + 11829607696 = 81573^2 + 108764^2 .
It is not a de Polignac number, because 18483762025 - 211 = 18483759977 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 666180 + ... + 693370.
Almost surely, 218483762025 is an apocalyptic number.
18483762025 is the 135955-th square number.
18483762025 is the 67978-th centered octagonal number.
It is an amenable number.
18483762025 is a deficient number, since it is larger than the sum of its proper divisors (4436945838).
18483762025 is an frugal number, since it uses more digits than its factorization.
18483762025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54392 (or 27196 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 46.
The spelling of 18483762025 in words is "eighteen billion, four hundred eighty-three million, seven hundred sixty-two thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.088 sec. • engine limits •