Base | Representation |
---|---|
bin | 10110111100111001… |
… | …10010001101010111 |
3 | 1011210202001120210202 |
4 | 23132130302031113 |
5 | 200213414202411 |
6 | 5354411411115 |
7 | 614231314031 |
oct | 133634621527 |
9 | 34722046722 |
10 | 12322022231 |
11 | 5253507752 |
12 | 247a753a9b |
13 | 1214aa331c |
14 | 84c6c4c51 |
15 | 4c1b7e83b |
hex | 2de732357 |
12322022231 has 4 divisors (see below), whose sum is σ = 12857762352. Its totient is φ = 11786282112.
The previous prime is 12322022203. The next prime is 12322022233. The reversal of 12322022231 is 13222022321.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12322022231 - 214 = 12322005847 is a prime.
It is a super-2 number, since 2×123220222312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12322022233) 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, 267870026 + ... + 267870071.
It is an arithmetic number, because the mean of its divisors is an integer number (3214440588).
Almost surely, 212322022231 is an apocalyptic number.
12322022231 is a deficient number, since it is larger than the sum of its proper divisors (535740121).
12322022231 is an equidigital number, since it uses as much as digits as its factorization.
12322022231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 535740120.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 12322022231 its reverse (13222022321), we get a palindrome (25544044552).
The spelling of 12322022231 in words is "twelve billion, three hundred twenty-two million, twenty-two thousand, two hundred thirty-one".
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