Base | Representation |
---|---|
bin | 1101011101010111101… |
… | …0110011110100110011 |
3 | 211002211021102022200021 |
4 | 3113111322303310303 |
5 | 12242020342332243 |
6 | 254115542504311 |
7 | 22463621346400 |
oct | 3272572636463 |
9 | 732737368607 |
10 | 231222230323 |
11 | 8a073a14a37 |
12 | 3898ba35097 |
13 | 18a5b990086 |
14 | b2969a52a7 |
15 | 603452a6ed |
hex | 35d5eb3d33 |
231222230323 has 12 divisors (see below), whose sum is σ = 274047760080. Its totient is φ = 194451037872.
The previous prime is 231222230299. The next prime is 231222230357. The reversal of 231222230323 is 323032222132.
It is a de Polignac number, because none of the positive numbers 2k-231222230323 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231222230023) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44514583 + ... + 44519776.
It is an arithmetic number, because the mean of its divisors is an integer number (22837313340).
Almost surely, 2231222230323 is an apocalyptic number.
231222230323 is a deficient number, since it is larger than the sum of its proper divisors (42825529757).
231222230323 is an equidigital number, since it uses as much as digits as its factorization.
231222230323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89034426 (or 89034419 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 25.
Adding to 231222230323 its reverse (323032222132), we get a palindrome (554254452455).
The spelling of 231222230323 in words is "two hundred thirty-one billion, two hundred twenty-two million, two hundred thirty thousand, three hundred twenty-three".
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