Base | Representation |
---|---|
bin | 111110111101001… |
… | …0010000010001110 |
3 | 12110012220120111101 |
4 | 1331322102002032 |
5 | 13311240231342 |
6 | 545340413314 |
7 | 103230234460 |
oct | 17572220216 |
9 | 5405816441 |
10 | 2112430222 |
11 | 994459101 |
12 | 4ab54723a |
13 | 278850916 |
14 | 1607a4130 |
15 | c56c03b7 |
hex | 7de9208e |
2112430222 has 32 divisors (see below), whose sum is σ = 3883852800. Its totient is φ = 841490208.
The previous prime is 2112430213. The next prime is 2112430223. The reversal of 2112430222 is 2220342112.
It is a super-2 number, since 2×21124302222 = 8924722885637938568, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a self number, because there is not a number n which added to its sum of digits gives 2112430222.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2112430223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60822 + ... + 89017.
It is an arithmetic number, because the mean of its divisors is an integer number (121370400).
Almost surely, 22112430222 is an apocalyptic number.
2112430222 is a deficient number, since it is larger than the sum of its proper divisors (1771422578).
2112430222 is a wasteful number, since it uses less digits than its factorization.
2112430222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149920.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 2112430222 is about 45961.1816862883. The cubic root of 2112430222 is about 1283.1008442549.
Adding to 2112430222 its reverse (2220342112), we get a palindrome (4332772334).
The spelling of 2112430222 in words is "two billion, one hundred twelve million, four hundred thirty thousand, two hundred twenty-two".
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