Base | Representation |
---|---|
bin | 10110110010000100… |
… | …00001010011100111 |
3 | 1011120102000021112021 |
4 | 23121002001103213 |
5 | 200022131320403 |
6 | 5341403204011 |
7 | 612045543166 |
oct | 133102012347 |
9 | 34512007467 |
10 | 12231120103 |
11 | 520716a624 |
12 | 2454216607 |
13 | 11cbcc6897 |
14 | 8405c13dd |
15 | 4b8bc58bd |
hex | 2d90814e7 |
12231120103 has 4 divisors (see below), whose sum is σ = 12461896008. Its totient is φ = 12000344200.
The previous prime is 12231120071. The next prime is 12231120107. The reversal of 12231120103 is 30102113221.
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 12231120103 - 25 = 12231120071 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 (12231120107) 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, 115387873 + ... + 115387978.
It is an arithmetic number, because the mean of its divisors is an integer number (3115474002).
Almost surely, 212231120103 is an apocalyptic number.
12231120103 is a deficient number, since it is larger than the sum of its proper divisors (230775905).
12231120103 is an equidigital number, since it uses as much as digits as its factorization.
12231120103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230775904.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12231120103 its reverse (30102113221), we get a palindrome (42333233324).
The spelling of 12231120103 in words is "twelve billion, two hundred thirty-one million, one hundred twenty thousand, one hundred three".
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