Base | Representation |
---|---|
bin | 110000100011… |
… | …111110010111 |
3 | 212221202122020 |
4 | 300203332113 |
5 | 11224332023 |
6 | 1132504223 |
7 | 213130320 |
oct | 60437627 |
9 | 25852566 |
10 | 12730263 |
11 | 7205487 |
12 | 431b073 |
13 | 2839500 |
14 | 1995447 |
15 | 11b6de3 |
hex | c23f97 |
12730263 has 48 divisors (see below), whose sum is σ = 22346496. Its totient is φ = 6289920.
The previous prime is 12730169. The next prime is 12730283. The reversal of 12730263 is 36203721.
It is not a de Polignac number, because 12730263 - 28 = 12730007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12730283) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60228 + ... + 60438.
It is an arithmetic number, because the mean of its divisors is an integer number (465552).
Almost surely, 212730263 is an apocalyptic number.
12730263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
12730263 is a deficient number, since it is larger than the sum of its proper divisors (9616233).
12730263 is a wasteful number, since it uses less digits than its factorization.
12730263 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 264 (or 251 counting only the distinct ones).
The product of its (nonzero) digits is 1512, while the sum is 24.
The square root of 12730263 is about 3567.9494110763. The cubic root of 12730263 is about 233.4958280812.
Adding to 12730263 its reverse (36203721), we get a palindrome (48933984).
The spelling of 12730263 in words is "twelve million, seven hundred thirty thousand, two hundred sixty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •