Base | Representation |
---|---|
bin | 111000110111001110… |
… | …0110011110001000000 |
3 | 102200012012111221022122 |
4 | 1301232130303301000 |
5 | 4000041201130422 |
6 | 132033022423412 |
7 | 11552023660100 |
oct | 1615634636100 |
9 | 380165457278 |
10 | 122112130112 |
11 | 478731287a5 |
12 | 1b7bb131b68 |
13 | b6909614bb |
14 | 5ca5a6d200 |
15 | 329a616d42 |
hex | 1c6e733c40 |
122112130112 has 42 divisors (see below), whose sum is σ = 281878103502. Its totient is φ = 52333768704.
The previous prime is 122112130079. The next prime is 122112130201. The reversal of 122112130112 is 211031211221.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 101495765056 + 20616365056 = 318584^2 + 143584^2 .
It is a super-2 number, since 2×1221121301122 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19466273 + ... + 19472544.
Almost surely, 2122112130112 is an apocalyptic number.
It is an amenable number.
122112130112 is an abundant number, since it is smaller than the sum of its proper divisors (159765973390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122112130112 is an equidigital number, since it uses as much as digits as its factorization.
122112130112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38938843 (or 38938826 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 17.
Adding to 122112130112 its reverse (211031211221), we get a palindrome (333143341333).
The spelling of 122112130112 in words is "one hundred twenty-two billion, one hundred twelve million, one hundred thirty thousand, one hundred twelve".
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