Base | Representation |
---|---|
bin | 10111001001111001… |
… | …01000010001010000 |
3 | 1012002100011221001100 |
4 | 23210330220101100 |
5 | 200424321032144 |
6 | 5413304104400 |
7 | 620024016645 |
oct | 134474502120 |
9 | 35070157040 |
10 | 12431033424 |
11 | 52a9aa3447 |
12 | 24ab165100 |
13 | 12315505a4 |
14 | 85cd7ddcc |
15 | 4cb514269 |
hex | 2e4f28450 |
12431033424 has 30 divisors (see below), whose sum is σ = 34789628666. Its totient is φ = 4143677760.
The previous prime is 12431033411. The next prime is 12431033441. The reversal of 12431033424 is 42433013421.
12431033424 is a `hidden beast` number, since 1 + 2 + 4 + 310 + 3 + 342 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 9649525824 + 2781507600 = 98232^2 + 52740^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43163167 + ... + 43163454.
Almost surely, 212431033424 is an apocalyptic number.
It is an amenable number.
12431033424 is an abundant number, since it is smaller than the sum of its proper divisors (22358595242).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12431033424 is a wasteful number, since it uses less digits than its factorization.
12431033424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86326635 (or 86326626 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 12431033424 its reverse (42433013421), we get a palindrome (54864046845).
The spelling of 12431033424 in words is "twelve billion, four hundred thirty-one million, thirty-three thousand, four hundred twenty-four".
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