Base | Representation |
---|---|
bin | 1110101011010… |
… | …00101111011101 |
3 | 22120122202111000 |
4 | 13111220233131 |
5 | 223004044123 |
6 | 20114420513 |
7 | 3023303214 |
oct | 725505735 |
9 | 276582430 |
10 | 123112413 |
11 | 635481a6 |
12 | 35291739 |
13 | 1c6767a8 |
14 | 124ca07b |
15 | ac1cb43 |
hex | 7568bdd |
123112413 has 16 divisors (see below), whose sum is σ = 182560000. Its totient is φ = 81997920.
The previous prime is 123112393. The next prime is 123112417. The reversal of 123112413 is 314211321.
It is not a de Polignac number, because 123112413 - 26 = 123112349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123112417) 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 15 ways as a sum of consecutive naturals, for example, 52833 + ... + 55113.
It is an arithmetic number, because the mean of its divisors is an integer number (11410000).
Almost surely, 2123112413 is an apocalyptic number.
It is an amenable number.
123112413 is a deficient number, since it is larger than the sum of its proper divisors (59447587).
123112413 is a wasteful number, since it uses less digits than its factorization.
123112413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4289 (or 4283 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 123112413 is about 11095.6033184320. The cubic root of 123112413 is about 497.4704415828.
Adding to 123112413 its reverse (314211321), we get a palindrome (437323734).
The spelling of 123112413 in words is "one hundred twenty-three million, one hundred twelve thousand, four hundred thirteen".
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