Base | Representation |
---|---|
bin | 10110100110010111… |
… | …10100011011100100 |
3 | 1011022120102120001010 |
4 | 23103023310123210 |
5 | 144322023304013 |
6 | 5323540502220 |
7 | 606445005132 |
oct | 132313643344 |
9 | 34276376033 |
10 | 12133025508 |
11 | 516685a70a |
12 | 24273aa970 |
13 | 11b489c446 |
14 | 831568752 |
15 | 4b029a7c3 |
hex | 2d32f46e4 |
12133025508 has 12 divisors (see below), whose sum is σ = 28310392880. Its totient is φ = 4044341832.
The previous prime is 12133025507. The next prime is 12133025561. The reversal of 12133025508 is 80552033121.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (12133025507) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505542718 + ... + 505542741.
Almost surely, 212133025508 is an apocalyptic number.
It is an amenable number.
12133025508 is an abundant number, since it is smaller than the sum of its proper divisors (16177367372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12133025508 is a wasteful number, since it uses less digits than its factorization.
12133025508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1011085466 (or 1011085464 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 30.
Adding to 12133025508 its reverse (80552033121), we get a palindrome (92685058629).
The spelling of 12133025508 in words is "twelve billion, one hundred thirty-three million, twenty-five thousand, five hundred eight".
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