Base | Representation |
---|---|
bin | 10111001000111111… |
… | …00100001000111011 |
3 | 1012001210211211121201 |
4 | 23210133210020323 |
5 | 200420343224311 |
6 | 5412432515031 |
7 | 616602164566 |
oct | 134437441073 |
9 | 35053754551 |
10 | 12423414331 |
11 | 52a576a079 |
12 | 24a86aba77 |
13 | 122cab3653 |
14 | 85bd594dd |
15 | 4caa0b9c1 |
hex | 2e47e423b |
12423414331 has 4 divisors (see below), whose sum is σ = 12824169664. Its totient is φ = 12022659000.
The previous prime is 12423414301. The next prime is 12423414361. The reversal of 12423414331 is 13341432421.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13341432421 = 1163 ⋅11471567.
It is an interprime number because it is at equal distance from previous prime (12423414301) and next prime (12423414361).
It is a cyclic number.
It is not a de Polignac number, because 12423414331 - 217 = 12423283259 is a prime.
It is a super-2 number, since 2×124234143312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12423414331.
It is not an unprimeable number, because it can be changed into a prime (12423414301) 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, 200377620 + ... + 200377681.
It is an arithmetic number, because the mean of its divisors is an integer number (3206042416).
Almost surely, 212423414331 is an apocalyptic number.
12423414331 is a deficient number, since it is larger than the sum of its proper divisors (400755333).
12423414331 is an equidigital number, since it uses as much as digits as its factorization.
12423414331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400755332.
The product of its digits is 6912, while the sum is 28.
Adding to 12423414331 its reverse (13341432421), we get a palindrome (25764846752).
The spelling of 12423414331 in words is "twelve billion, four hundred twenty-three million, four hundred fourteen thousand, three hundred thirty-one".
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