Base | Representation |
---|---|
bin | 10110100110000000… |
… | …10111001101000101 |
3 | 1011022100202222021222 |
4 | 23103000113031011 |
5 | 144320241202323 |
6 | 5323352250125 |
7 | 606410326151 |
oct | 132300271505 |
9 | 34270688258 |
10 | 12130022213 |
11 | 5165099251 |
12 | 24263a0945 |
13 | 11b408a44a |
14 | 830dc6061 |
15 | 4aeda59c8 |
hex | 2d3017345 |
12130022213 has 4 divisors (see below), whose sum is σ = 12388107840. Its totient is φ = 11871936588.
The previous prime is 12130022197. The next prime is 12130022221. The reversal of 12130022213 is 31222003121.
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 a cyclic number.
It is not a de Polignac number, because 12130022213 - 24 = 12130022197 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12130022191 and 12130022200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12130022273) 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, 129042743 + ... + 129042836.
It is an arithmetic number, because the mean of its divisors is an integer number (3097026960).
Almost surely, 212130022213 is an apocalyptic number.
It is an amenable number.
12130022213 is a deficient number, since it is larger than the sum of its proper divisors (258085627).
12130022213 is an equidigital number, since it uses as much as digits as its factorization.
12130022213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 258085626.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 12130022213 its reverse (31222003121), we get a palindrome (43352025334).
The spelling of 12130022213 in words is "twelve billion, one hundred thirty million, twenty-two thousand, two hundred thirteen".
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