Base | Representation |
---|---|
bin | 111001010100110000… |
… | …1001001011010110010 |
3 | 102202202021020121011110 |
4 | 1302221201021122302 |
5 | 4004103344414442 |
6 | 132315223054150 |
7 | 11615416165410 |
oct | 1625141113262 |
9 | 382667217143 |
10 | 123103123122 |
11 | 4823155a491 |
12 | 1ba36ba1356 |
13 | b7bb066ab5 |
14 | 5d5b5142b0 |
15 | 330761969c |
hex | 1ca98496b2 |
123103123122 has 16 divisors (see below), whose sum is σ = 281378567232. Its totient is φ = 35172320880.
The previous prime is 123103123109. The next prime is 123103123133. The reversal of 123103123122 is 221321301321.
123103123122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1465513329 + ... + 1465513412.
It is an arithmetic number, because the mean of its divisors is an integer number (17586160452).
Almost surely, 2123103123122 is an apocalyptic number.
123103123122 is an abundant number, since it is smaller than the sum of its proper divisors (158275444110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123103123122 is a wasteful number, since it uses less digits than its factorization.
123103123122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2931026753.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 123103123122 its reverse (221321301321), we get a palindrome (344424424443).
The spelling of 123103123122 in words is "one hundred twenty-three billion, one hundred three million, one hundred twenty-three thousand, one hundred twenty-two".
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