Base | Representation |
---|---|
bin | 111110111101000… |
… | …1010001110000000 |
3 | 12110012211221120200 |
4 | 1331322022032000 |
5 | 13311233220313 |
6 | 545340005200 |
7 | 103230042234 |
oct | 17572121600 |
9 | 5405757520 |
10 | 2112398208 |
11 | 994437048 |
12 | 4ab530800 |
13 | 27883c18b |
14 | 1607965c4 |
15 | c56b5b73 |
hex | 7de8a380 |
2112398208 has 48 divisors (see below), whose sum is σ = 6078649200. Its totient is φ = 704132352.
The previous prime is 2112398203. The next prime is 2112398227. The reversal of 2112398208 is 8028932112.
2112398208 is a `hidden beast` number, since 211 + 239 + 8 + 208 = 666.
It is a tau number, because it is divible by the number of its divisors (48).
It is a super-2 number, since 2×21123982082 = 8924452378323222528, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112398201) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 915688 + ... + 917991.
It is an arithmetic number, because the mean of its divisors is an integer number (126638525).
Almost surely, 22112398208 is an apocalyptic number.
It is an amenable number.
2112398208 is an abundant number, since it is smaller than the sum of its proper divisors (3966250992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112398208 is a wasteful number, since it uses less digits than its factorization.
2112398208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1833699 (or 1833684 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 2112398208 is about 45960.8334128092. The cubic root of 2112398208 is about 1283.0943624001.
The spelling of 2112398208 in words is "two billion, one hundred twelve million, three hundred ninety-eight thousand, two hundred eight".
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