Base | Representation |
---|---|
bin | 110100100100101110100100… |
… | …011000101111100110011101 |
3 | 1010022200122020012102210011102 |
4 | 310210232210120233212131 |
5 | 220301321304004030023 |
6 | 2135434022442202445 |
7 | 66463155461260310 |
oct | 6444564430574635 |
9 | 1108618205383142 |
10 | 231222322330013 |
11 | 67746922002413 |
12 | 21b24527ab3425 |
13 | 9c0322c853711 |
14 | 4115311dc2977 |
15 | 1bae953602628 |
hex | d24ba462f99d |
231222322330013 has 16 divisors (see below), whose sum is σ = 276791844612096. Its totient is φ = 188852768910960.
The previous prime is 231222322329991. The next prime is 231222322330039. The reversal of 231222322330013 is 310033223222132.
It is not a de Polignac number, because 231222322330013 - 246 = 160853578152349 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231222322330093) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2730306503 + ... + 2730391188.
It is an arithmetic number, because the mean of its divisors is an integer number (17299490288256).
Almost surely, 2231222322330013 is an apocalyptic number.
231222322330013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
231222322330013 is a deficient number, since it is larger than the sum of its proper divisors (45569522282083).
231222322330013 is a wasteful number, since it uses less digits than its factorization.
231222322330013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5460697984.
The product of its (nonzero) digits is 15552, while the sum is 29.
Adding to 231222322330013 its reverse (310033223222132), we get a palindrome (541255545552145).
The spelling of 231222322330013 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, three hundred twenty-two million, three hundred thirty thousand, thirteen".
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