Base | Representation |
---|---|
bin | 110100100100101100100000… |
… | …100010100001010000111110 |
3 | 1010022200102112001010000202010 |
4 | 310210230200202201100332 |
5 | 220301302241214101342 |
6 | 2135433015142512050 |
7 | 66463046611316001 |
oct | 6444544042412076 |
9 | 1108612461100663 |
10 | 231220110300222 |
11 | 6774599740671a |
12 | 21b2400b135626 |
13 | 9c02c6949c654 |
14 | 41151822d3538 |
15 | 1bae87430b29c |
hex | d24b208a143e |
231220110300222 has 16 divisors (see below), whose sum is σ = 462463346320272. Its totient is φ = 77069515813440.
The previous prime is 231220110300217. The next prime is 231220110300227. The reversal of 231220110300222 is 222003011022132.
It is an interprime number because it is at equal distance from previous prime (231220110300217) and next prime (231220110300227).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231220110300227) 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 7 ways as a sum of consecutive naturals, for example, 963441679 + ... + 963681642.
It is an arithmetic number, because the mean of its divisors is an integer number (28903959145017).
Almost surely, 2231220110300222 is an apocalyptic number.
231220110300222 is an abundant number, since it is smaller than the sum of its proper divisors (231243236020050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231220110300222 is a wasteful number, since it uses less digits than its factorization.
231220110300222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1927143323.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 231220110300222 its reverse (222003011022132), we get a palindrome (453223121322354).
The spelling of 231220110300222 in words is "two hundred thirty-one trillion, two hundred twenty billion, one hundred ten million, three hundred thousand, two hundred twenty-two".
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