Base | Representation |
---|---|
bin | 1000100111100001… |
… | …0001101110001011 |
3 | 12222012202022201020 |
4 | 2021320101232023 |
5 | 14214141344433 |
6 | 1021312323523 |
7 | 111216066261 |
oct | 21170215613 |
9 | 5865668636 |
10 | 2313231243 |
11 | a87838964 |
12 | 5468435a3 |
13 | 2ab3286ab |
14 | 17d314431 |
15 | d8136cb3 |
hex | 89e11b8b |
2313231243 has 4 divisors (see below), whose sum is σ = 3084308328. Its totient is φ = 1542154160.
The previous prime is 2313231169. The next prime is 2313231257. The reversal of 2313231243 is 3421323132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2313231243 - 214 = 2313214859 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2313231343) 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, 385538538 + ... + 385538543.
It is an arithmetic number, because the mean of its divisors is an integer number (771077082).
Almost surely, 22313231243 is an apocalyptic number.
2313231243 is a deficient number, since it is larger than the sum of its proper divisors (771077085).
2313231243 is an equidigital number, since it uses as much as digits as its factorization.
2313231243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 771077084.
The product of its digits is 2592, while the sum is 24.
The square root of 2313231243 is about 48096.0626558973. The cubic root of 2313231243 is about 1322.5324895326.
Adding to 2313231243 its reverse (3421323132), we get a palindrome (5734554375).
The spelling of 2313231243 in words is "two billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred forty-three".
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