Base | Representation |
---|---|
bin | 11110100011111000011… |
… | …100010110011110100000 |
3 | 21102202202102122200000022 |
4 | 132203320130112132200 |
5 | 233402012212101422 |
6 | 4244440033213012 |
7 | 304504511231522 |
oct | 36437034263640 |
9 | 7382672580008 |
10 | 2100112222112 |
11 | 73a71a666033 |
12 | 29b023401168 |
13 | 1230693a6718 |
14 | 739087a3a12 |
15 | 39966ed3342 |
hex | 1e8f87167a0 |
2100112222112 has 48 divisors (see below), whose sum is σ = 4268403724032. Its totient is φ = 1016080066560.
The previous prime is 2100112222097. The next prime is 2100112222147. The reversal of 2100112222112 is 2112222110012.
It is a super-3 number, since 3×21001122221123 (a number of 38 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10151903 + ... + 10356705.
It is an arithmetic number, because the mean of its divisors is an integer number (88925077584).
Almost surely, 22100112222112 is an apocalyptic number.
It is an amenable number.
2100112222112 is an abundant number, since it is smaller than the sum of its proper divisors (2168291501920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2100112222112 is a wasteful number, since it uses less digits than its factorization.
2100112222112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 215181 (or 215173 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 17.
Adding to 2100112222112 its reverse (2112222110012), we get a palindrome (4212334332124).
The spelling of 2100112222112 in words is "two trillion, one hundred billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twelve".
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