Base | Representation |
---|---|
bin | 111110111100100… |
… | …0011111000100000 |
3 | 12110012022022101110 |
4 | 1331321003320200 |
5 | 13311200010422 |
6 | 545325503320 |
7 | 103224432300 |
oct | 17571037040 |
9 | 5405268343 |
10 | 2112110112 |
11 | 99425a652 |
12 | 4ab411b40 |
13 | 27876acc8 |
14 | 16071d600 |
15 | c565a60c |
hex | 7de43e20 |
2112110112 has 72 divisors (see below), whose sum is σ = 6449493456. Its totient is φ = 603458688.
The previous prime is 2112110083. The next prime is 2112110123. The reversal of 2112110112 is 2110112112.
It is a super-2 number, since 2×21121101122 = 8922018250425305088, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219798 + ... + 229205.
It is an arithmetic number, because the mean of its divisors is an integer number (89576298).
Almost surely, 22112110112 is an apocalyptic number.
It is an amenable number.
2112110112 is an abundant number, since it is smaller than the sum of its proper divisors (4337383344).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112110112 is a wasteful number, since it uses less digits than its factorization.
2112110112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 449030 (or 449015 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 12.
The square root of 2112110112 is about 45957.6991591181. The cubic root of 2112110112 is about 1283.0360288343.
Adding to 2112110112 its reverse (2110112112), we get a palindrome (4222222224).
The spelling of 2112110112 in words is "two billion, one hundred twelve million, one hundred ten thousand, one hundred twelve".
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