Base | Representation |
---|---|
bin | 1110100111110… |
… | …11111110100000 |
3 | 22112211010100222 |
4 | 13103323332200 |
5 | 222400320122 |
6 | 20101102212 |
7 | 3016436324 |
oct | 723737640 |
9 | 275733328 |
10 | 122666912 |
11 | 63273515 |
12 | 350b7968 |
13 | 1c54ba94 |
14 | 12411984 |
15 | ab80b42 |
hex | 74fbfa0 |
122666912 has 24 divisors (see below), whose sum is σ = 252002016. Its totient is φ = 58666432.
The previous prime is 122666911. The next prime is 122666953. The reversal of 122666912 is 219666221.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122666911) 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, 82598 + ... + 84069.
It is an arithmetic number, because the mean of its divisors is an integer number (10500084).
Almost surely, 2122666912 is an apocalyptic number.
It is an amenable number.
122666912 is an abundant number, since it is smaller than the sum of its proper divisors (129335104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122666912 is a wasteful number, since it uses less digits than its factorization.
122666912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 166700 (or 166692 counting only the distinct ones).
The product of its digits is 15552, while the sum is 35.
The square root of 122666912 is about 11075.5095593837. The cubic root of 122666912 is about 496.8696588274.
The spelling of 122666912 in words is "one hundred twenty-two million, six hundred sixty-six thousand, nine hundred twelve".
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