Base | Representation |
---|---|
bin | 10110110010000100… |
… | …11010001110111111 |
3 | 1011120102012110120220 |
4 | 23121002122032333 |
5 | 200022143102312 |
6 | 5341405312423 |
7 | 612046446651 |
oct | 133102321677 |
9 | 34512173526 |
10 | 12231222207 |
11 | 520722a306 |
12 | 2454265713 |
13 | 11cc0311b9 |
14 | 84060a6d1 |
15 | 4b8be5c8c |
hex | 2d909a3bf |
12231222207 has 32 divisors (see below), whose sum is σ = 17087371200. Its totient is φ = 7772126208.
The previous prime is 12231222191. The next prime is 12231222217. The reversal of 12231222207 is 70222213221.
It is not a de Polignac number, because 12231222207 - 24 = 12231222191 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12231222217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9577453 + ... + 9578729.
It is an arithmetic number, because the mean of its divisors is an integer number (533980350).
Almost surely, 212231222207 is an apocalyptic number.
12231222207 is a deficient number, since it is larger than the sum of its proper divisors (4856148993).
12231222207 is a wasteful number, since it uses less digits than its factorization.
12231222207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2635.
The product of its (nonzero) digits is 1344, while the sum is 24.
Adding to 12231222207 its reverse (70222213221), we get a palindrome (82453435428).
The spelling of 12231222207 in words is "twelve billion, two hundred thirty-one million, two hundred twenty-two thousand, two hundred seven".
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