Base | Representation |
---|---|
bin | 1110101011100… |
… | …00010001100000 |
3 | 22120201022210122 |
4 | 13111300101200 |
5 | 223011041024 |
6 | 20115215412 |
7 | 3023462156 |
oct | 725602140 |
9 | 276638718 |
10 | 123143264 |
11 | 635693a2 |
12 | 352a7568 |
13 | 1c68784a |
14 | 124d73d6 |
15 | ac26d5e |
hex | 7570460 |
123143264 has 48 divisors (see below), whose sum is σ = 247177728. Its totient is φ = 60383232.
The previous prime is 123143263. The next prime is 123143281. The reversal of 123143264 is 462341321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123143261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637952 + ... + 638144.
It is an arithmetic number, because the mean of its divisors is an integer number (5149536).
Almost surely, 2123143264 is an apocalyptic number.
It is an amenable number.
123143264 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
123143264 is a wasteful number, since it uses less digits than its factorization.
123143264 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 487 (or 479 counting only the distinct ones).
The product of its digits is 3456, while the sum is 26.
The square root of 123143264 is about 11096.9934667008. The cubic root of 123143264 is about 497.5119921690.
Adding to 123143264 its reverse (462341321), we get a palindrome (585484585).
The spelling of 123143264 in words is "one hundred twenty-three million, one hundred forty-three thousand, two hundred sixty-four".
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