Base | Representation |
---|---|
bin | 111001010100101111… |
… | …0001000010110100001 |
3 | 102202202012202102101112 |
4 | 1302221132020112201 |
5 | 4004103144113241 |
6 | 132315154113105 |
7 | 11615406363023 |
oct | 1625136102641 |
9 | 382665672345 |
10 | 123102332321 |
11 | 4823106a331 |
12 | 1ba3687b795 |
13 | b7bab4ab77 |
14 | 5d5b38a013 |
15 | 33075101eb |
hex | 1ca97885a1 |
123102332321 has 4 divisors (see below), whose sum is σ = 123103035972. Its totient is φ = 123101628672.
The previous prime is 123102332303. The next prime is 123102332341. The reversal of 123102332321 is 123233201321.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 86121119296 + 36981213025 = 293464^2 + 192305^2 .
It is a cyclic number.
It is not a de Polignac number, because 123102332321 - 214 = 123102315937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123102332341) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136841 + ... + 514713.
It is an arithmetic number, because the mean of its divisors is an integer number (30775758993).
Almost surely, 2123102332321 is an apocalyptic number.
It is an amenable number.
123102332321 is a deficient number, since it is larger than the sum of its proper divisors (703651).
123102332321 is an equidigital number, since it uses as much as digits as its factorization.
123102332321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 703650.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 123102332321 its reverse (123233201321), we get a palindrome (246335533642).
The spelling of 123102332321 in words is "one hundred twenty-three billion, one hundred two million, three hundred thirty-two thousand, three hundred twenty-one".
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