Base | Representation |
---|---|
bin | 10110110001111101… |
… | …11110101111000111 |
3 | 1011120100111210022020 |
4 | 23120332332233013 |
5 | 200021430320033 |
6 | 5341334134223 |
7 | 612036013533 |
oct | 133076765707 |
9 | 34510453266 |
10 | 12230323143 |
11 | 5206775885 |
12 | 2453ab1373 |
13 | 11cbaa7bcc |
14 | 840454bc3 |
15 | 4b8ab96b3 |
hex | 2d8fbebc7 |
12230323143 has 24 divisors (see below), whose sum is σ = 17063712000. Its totient is φ = 7790505840.
The previous prime is 12230323121. The next prime is 12230323177. The reversal of 12230323143 is 34132303221.
It is not a de Polignac number, because 12230323143 - 25 = 12230323111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12230323643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200908 + ... + 254606.
It is an arithmetic number, because the mean of its divisors is an integer number (710988000).
Almost surely, 212230323143 is an apocalyptic number.
12230323143 is a deficient number, since it is larger than the sum of its proper divisors (4833388857).
12230323143 is an equidigital number, since it uses as much as digits as its factorization.
12230323143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53843 (or 53812 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 12230323143 its reverse (34132303221), we get a palindrome (46362626364).
The spelling of 12230323143 in words is "twelve billion, two hundred thirty million, three hundred twenty-three thousand, one hundred forty-three".
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