Base | Representation |
---|---|
bin | 10111011011101100… |
… | …00010000111110001 |
3 | 1012110202001102021020 |
4 | 23231312002013301 |
5 | 201231024033444 |
6 | 5440155250053 |
7 | 623515531200 |
oct | 135566020761 |
9 | 35422042236 |
10 | 12580299249 |
11 | 5376284031 |
12 | 2531149929 |
13 | 125645326b |
14 | 874b17237 |
15 | 4d969b119 |
hex | 2edd821f1 |
12580299249 has 24 divisors (see below), whose sum is σ = 19843031520. Its totient is φ = 7066894464.
The previous prime is 12580299233. The next prime is 12580299299. The reversal of 12580299249 is 94299208521.
It is not a de Polignac number, because 12580299249 - 24 = 12580299233 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12580299229) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716584 + ... + 733929.
It is an arithmetic number, because the mean of its divisors is an integer number (826792980).
Almost surely, 212580299249 is an apocalyptic number.
It is an amenable number.
12580299249 is a deficient number, since it is larger than the sum of its proper divisors (7262732271).
12580299249 is a wasteful number, since it uses less digits than its factorization.
12580299249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1450589 (or 1450582 counting only the distinct ones).
The product of its (nonzero) digits is 933120, while the sum is 51.
The spelling of 12580299249 in words is "twelve billion, five hundred eighty million, two hundred ninety-nine thousand, two hundred forty-nine".
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