Base | Representation |
---|---|
bin | 10111001001111101… |
… | …10100101111011101 |
3 | 1012002101021011022110 |
4 | 23210332310233131 |
5 | 200424442440142 |
6 | 5413324304233 |
7 | 620031634266 |
oct | 134476645735 |
9 | 35071234273 |
10 | 12431608797 |
11 | 52aa356763 |
12 | 24ab3a2079 |
13 | 12316c244a |
14 | 85d08d96d |
15 | 4cb5c999c |
hex | 2e4fb4bdd |
12431608797 has 4 divisors (see below), whose sum is σ = 16575478400. Its totient is φ = 8287739196.
The previous prime is 12431608789. The next prime is 12431608841. The reversal of 12431608797 is 79780613421.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 12431608797 - 23 = 12431608789 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12431608297) 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, 2071934797 + ... + 2071934802.
It is an arithmetic number, because the mean of its divisors is an integer number (4143869600).
Almost surely, 212431608797 is an apocalyptic number.
It is an amenable number.
12431608797 is a deficient number, since it is larger than the sum of its proper divisors (4143869603).
12431608797 is an equidigital number, since it uses as much as digits as its factorization.
12431608797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4143869602.
The product of its (nonzero) digits is 508032, while the sum is 48.
The spelling of 12431608797 in words is "twelve billion, four hundred thirty-one million, six hundred eight thousand, seven hundred ninety-seven".
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