Base | Representation |
---|---|
bin | 1110101000111… |
… | …11100111000100 |
3 | 22120002112120202 |
4 | 13110133213010 |
5 | 222420002433 |
6 | 20104150032 |
7 | 3020615003 |
oct | 724374704 |
9 | 276075522 |
10 | 122812868 |
11 | 63363142 |
12 | 35168318 |
13 | 1c5a0349 |
14 | 1244cc3a |
15 | abadee8 |
hex | 751f9c4 |
122812868 has 12 divisors (see below), whose sum is σ = 215151552. Its totient is φ = 61341000.
The previous prime is 122812867. The next prime is 122812897. The reversal of 122812868 is 868218221.
It is not an unprimeable number, because it can be changed into a prime (122812867) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12008 + ... + 19743.
It is an arithmetic number, because the mean of its divisors is an integer number (17929296).
Almost surely, 2122812868 is an apocalyptic number.
It is an amenable number.
122812868 is a deficient number, since it is larger than the sum of its proper divisors (92338684).
122812868 is a wasteful number, since it uses less digits than its factorization.
122812868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32722 (or 32720 counting only the distinct ones).
The product of its digits is 24576, while the sum is 38.
The square root of 122812868 is about 11082.0967330194. The cubic root of 122812868 is about 497.0666485521.
The spelling of 122812868 in words is "one hundred twenty-two million, eight hundred twelve thousand, eight hundred sixty-eight".
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