Base | Representation |
---|---|
bin | 10111010101000000… |
… | …00010000011001001 |
3 | 1012022211111021202100 |
4 | 23222200002003021 |
5 | 201122143401022 |
6 | 5430433024013 |
7 | 622234642011 |
oct | 135240020311 |
9 | 35284437670 |
10 | 12524200137 |
11 | 5347647a29 |
12 | 25163b5009 |
13 | 1247940a17 |
14 | 86b4b2c41 |
15 | 4d47b91ac |
hex | 2ea8020c9 |
12524200137 has 6 divisors (see below), whose sum is σ = 18090511322. Its totient is φ = 8349466752.
The previous prime is 12524200133. The next prime is 12524200153. The reversal of 12524200137 is 73100242521.
12524200137 is a `hidden beast` number, since 1 + 2 + 524 + 2 + 0 + 0 + 137 = 666.
It can be written as a sum of positive squares in only one way, i.e., 12037600656 + 486599481 = 109716^2 + 22059^2 .
It is not a de Polignac number, because 12524200137 - 22 = 12524200133 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12524200137.
It is not an unprimeable number, because it can be changed into a prime (12524200133) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 695788888 + ... + 695788905.
Almost surely, 212524200137 is an apocalyptic number.
It is an amenable number.
12524200137 is a deficient number, since it is larger than the sum of its proper divisors (5566311185).
12524200137 is a wasteful number, since it uses less digits than its factorization.
12524200137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1391577799 (or 1391577796 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
Adding to 12524200137 its reverse (73100242521), we get a palindrome (85624442658).
The spelling of 12524200137 in words is "twelve billion, five hundred twenty-four million, two hundred thousand, one hundred thirty-seven".
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