Base | Representation |
---|---|
bin | 111110111101000… |
… | …1101100111010000 |
3 | 12110012212122122122 |
4 | 1331322031213100 |
5 | 13311234141422 |
6 | 545340153412 |
7 | 103230130616 |
oct | 17572154720 |
9 | 5405778578 |
10 | 2112412112 |
11 | 994446538 |
12 | 4ab538868 |
13 | 2788455c5 |
14 | 16079b6b6 |
15 | c56b9d42 |
hex | 7de8d9d0 |
2112412112 has 20 divisors (see below), whose sum is σ = 4333551876. Its totient is φ = 994076160.
The previous prime is 2112412097. The next prime is 2112412139. The reversal of 2112412112 is 2112142112.
It can be written as a sum of positive squares in 2 ways, for example, as 573889936 + 1538522176 = 23956^2 + 39224^2 .
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3882839 + ... + 3883382.
Almost surely, 22112412112 is an apocalyptic number.
It is an amenable number.
2112412112 is an abundant number, since it is smaller than the sum of its proper divisors (2221139764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112412112 is a wasteful number, since it uses less digits than its factorization.
2112412112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7766246 (or 7766240 counting only the distinct ones).
The product of its digits is 64, while the sum is 17.
The square root of 2112412112 is about 45960.9846717844. The cubic root of 2112412112 is about 1283.0971775425.
Adding to 2112412112 its reverse (2112142112), we get a palindrome (4224554224).
The spelling of 2112412112 in words is "two billion, one hundred twelve million, four hundred twelve thousand, one hundred twelve".
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