Base | Representation |
---|---|
bin | 10111001001111001… |
… | …11011100100000101 |
3 | 1012002100022221110100 |
4 | 23210330323210011 |
5 | 200424331044303 |
6 | 5413305514313 |
7 | 620024466234 |
oct | 134474734405 |
9 | 35070287410 |
10 | 12431112453 |
11 | 52aa047861 |
12 | 24ab1a2999 |
13 | 123157a556 |
14 | 85cda0b1b |
15 | 4cb52c8a3 |
hex | 2e4f3b905 |
12431112453 has 24 divisors (see below), whose sum is σ = 19045375128. Its totient is φ = 7786340352.
The previous prime is 12431112413. The next prime is 12431112467. The reversal of 12431112453 is 35421113421.
It can be written as a sum of positive squares in 4 ways, for example, as 6829039044 + 5602073409 = 82638^2 + 74847^2 .
It is not a de Polignac number, because 12431112453 - 222 = 12426918149 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12431112413) 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, 17875 + ... + 158687.
It is an arithmetic number, because the mean of its divisors is an integer number (793557297).
Almost surely, 212431112453 is an apocalyptic number.
It is an amenable number.
12431112453 is a deficient number, since it is larger than the sum of its proper divisors (6614262675).
12431112453 is a wasteful number, since it uses less digits than its factorization.
12431112453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141413 (or 141410 counting only the distinct ones).
The product of its digits is 2880, while the sum is 27.
Adding to 12431112453 its reverse (35421113421), we get a palindrome (47852225874).
The spelling of 12431112453 in words is "twelve billion, four hundred thirty-one million, one hundred twelve thousand, four hundred fifty-three".
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