Base | Representation |
---|---|
bin | 1101011000000… |
… | …11000100101101 |
3 | 21211010212111010 |
4 | 12230003010231 |
5 | 212211211341 |
6 | 15045015433 |
7 | 2531525334 |
oct | 654030455 |
9 | 254125433 |
10 | 112210221 |
11 | 58381222 |
12 | 316b4579 |
13 | 1a32a3a6 |
14 | 10c8cd1b |
15 | 9cb7716 |
hex | 6b0312d |
112210221 has 8 divisors (see below), whose sum is σ = 151295040. Its totient is φ = 73966112.
The previous prime is 112210201. The next prime is 112210223. The reversal of 112210221 is 122012211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 112210221 - 27 = 112210093 is a prime.
It is a super-2 number, since 2×1122102212 = 25182267393737682, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 112210197 and 112210206.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112210223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209865 + ... + 210398.
It is an arithmetic number, because the mean of its divisors is an integer number (18911880).
Almost surely, 2112210221 is an apocalyptic number.
It is an amenable number.
112210221 is a deficient number, since it is larger than the sum of its proper divisors (39084819).
112210221 is an equidigital number, since it uses as much as digits as its factorization.
112210221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420355.
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 112210221 is about 10592.9325967836. The cubic root of 112210221 is about 482.3298491742.
Adding to 112210221 its reverse (122012211), we get a palindrome (234222432).
The spelling of 112210221 in words is "one hundred twelve million, two hundred ten thousand, two hundred twenty-one".
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