Base | Representation |
---|---|
bin | 10110111100111100… |
… | …10110000100000101 |
3 | 1011210202211100212010 |
4 | 23132132112010011 |
5 | 200214020244422 |
6 | 5354424244433 |
7 | 614234636334 |
oct | 133636260405 |
9 | 34722740763 |
10 | 12322431237 |
11 | 5253766a76 |
12 | 247a910719 |
13 | 1214bb753c |
14 | 84c78dd1b |
15 | 4c1c10b0c |
hex | 2de796105 |
12322431237 has 16 divisors (see below), whose sum is σ = 16463574720. Its totient is φ = 8198141952.
The previous prime is 12322431227. The next prime is 12322431257. The reversal of 12322431237 is 73213422321.
12322431237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12322431237 - 215 = 12322398469 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12322431227) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4581189 + ... + 4583877.
It is an arithmetic number, because the mean of its divisors is an integer number (1028973420).
Almost surely, 212322431237 is an apocalyptic number.
It is an amenable number.
12322431237 is a deficient number, since it is larger than the sum of its proper divisors (4141143483).
12322431237 is a wasteful number, since it uses less digits than its factorization.
12322431237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5252.
The product of its digits is 12096, while the sum is 30.
Adding to 12322431237 its reverse (73213422321), we get a palindrome (85535853558).
The spelling of 12322431237 in words is "twelve billion, three hundred twenty-two million, four hundred thirty-one thousand, two hundred thirty-seven".
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