Base | Representation |
---|---|
bin | 10111001001111001… |
… | …01010101101001001 |
3 | 1012002100012102201212 |
4 | 23210330222231021 |
5 | 200424321342101 |
6 | 5413304222505 |
7 | 620024061020 |
oct | 134474525511 |
9 | 35070172655 |
10 | 12431043401 |
11 | 52a9aaa997 |
12 | 24ab16aa35 |
13 | 1231554caa |
14 | 85cd838b7 |
15 | 4cb5171bb |
hex | 2e4f2ab49 |
12431043401 has 16 divisors (see below), whose sum is σ = 14749923840. Its totient is φ = 10250573760.
The previous prime is 12431043397. The next prime is 12431043403. The reversal of 12431043401 is 10434013421.
It is not a de Polignac number, because 12431043401 - 22 = 12431043397 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12431043403) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54305 + ... + 166766.
It is an arithmetic number, because the mean of its divisors is an integer number (921870240).
Almost surely, 212431043401 is an apocalyptic number.
It is an amenable number.
12431043401 is a deficient number, since it is larger than the sum of its proper divisors (2318880439).
12431043401 is a wasteful number, since it uses less digits than its factorization.
12431043401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 221384.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 12431043401 its reverse (10434013421), we get a palindrome (22865056822).
The spelling of 12431043401 in words is "twelve billion, four hundred thirty-one million, forty-three thousand, four hundred one".
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