Base | Representation |
---|---|
bin | 10110111011110110… |
… | …01000010111111011 |
3 | 1011210010110101011000 |
4 | 23131323020113323 |
5 | 200204134400443 |
6 | 5353454340043 |
7 | 614063321430 |
oct | 133573102773 |
9 | 34703411130 |
10 | 12313200123 |
11 | 5249531554 |
12 | 24777ba623 |
13 | 1213004943 |
14 | 84b469b87 |
15 | 4c0eda8d3 |
hex | 2ddec85fb |
12313200123 has 32 divisors (see below), whose sum is σ = 20987712000. Its totient is φ = 6988876128.
The previous prime is 12313200071. The next prime is 12313200131. The reversal of 12313200123 is 32100231321.
It is not a de Polignac number, because 12313200123 - 218 = 12312937979 is a prime.
It is a super-2 number, since 2×123132001232 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12313200096 and 12313200105.
It is not an unprimeable number, because it can be changed into a prime (12313200223) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190461 + ... + 246782.
It is an arithmetic number, because the mean of its divisors is an integer number (655866000).
Almost surely, 212313200123 is an apocalyptic number.
12313200123 is a deficient number, since it is larger than the sum of its proper divisors (8674511877).
12313200123 is a wasteful number, since it uses less digits than its factorization.
12313200123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 437408 (or 437402 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 12313200123 its reverse (32100231321), we get a palindrome (44413431444).
The spelling of 12313200123 in words is "twelve billion, three hundred thirteen million, two hundred thousand, one hundred twenty-three".
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