Base | Representation |
---|---|
bin | 10111011000011101… |
… | …11110011110000001 |
3 | 1012101212012212120100 |
4 | 23230032332132001 |
5 | 201202120032312 |
6 | 5433352233013 |
7 | 623040102021 |
oct | 135416763601 |
9 | 35355185510 |
10 | 12553283457 |
11 | 5362001730 |
12 | 252409b769 |
13 | 12509846a0 |
14 | 8712c3a81 |
15 | 4d71115dc |
hex | 2ec3be781 |
12553283457 has 48 divisors (see below), whose sum is σ = 21559382208. Its totient is φ = 6938144640.
The previous prime is 12553283453. The next prime is 12553283507. The reversal of 12553283457 is 75438235521.
12553283457 is a `hidden beast` number, since 12 + 553 + 2 + 8 + 34 + 57 = 666.
It is not a de Polignac number, because 12553283457 - 22 = 12553283453 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (12553283453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48063 + ... + 165579.
It is an arithmetic number, because the mean of its divisors is an integer number (449153796).
Almost surely, 212553283457 is an apocalyptic number.
It is an amenable number.
12553283457 is a deficient number, since it is larger than the sum of its proper divisors (9006098751).
12553283457 is a wasteful number, since it uses less digits than its factorization.
12553283457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117630 (or 117627 counting only the distinct ones).
The product of its digits is 1008000, while the sum is 45.
The spelling of 12553283457 in words is "twelve billion, five hundred fifty-three million, two hundred eighty-three thousand, four hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.132 sec. • engine limits •