Base | Representation |
---|---|
bin | 1100010110100000101… |
… | …1011100111100011111 |
3 | 202021201200001101122221 |
4 | 3011220023130330133 |
5 | 11434042003330421 |
6 | 241252304450211 |
7 | 21221354460313 |
oct | 3055013347437 |
9 | 667650041587 |
10 | 212201230111 |
11 | 81aa3075a52 |
12 | 35161919967 |
13 | 1701a07bb70 |
14 | a3b0721b43 |
15 | 57be6e3841 |
hex | 31682dcf1f |
212201230111 has 8 divisors (see below), whose sum is σ = 228532240944. Its totient is φ = 195871339200.
The previous prime is 212201230099. The next prime is 212201230211. The reversal of 212201230111 is 111032102212.
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 212201230111 - 25 = 212201230079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212201230211) 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, 136515 + ... + 665611.
It is an arithmetic number, because the mean of its divisors is an integer number (28566530118).
Almost surely, 2212201230111 is an apocalyptic number.
212201230111 is a deficient number, since it is larger than the sum of its proper divisors (16331010833).
212201230111 is a wasteful number, since it uses less digits than its factorization.
212201230111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 559961.
The product of its (nonzero) digits is 48, while the sum is 16.
Adding to 212201230111 its reverse (111032102212), we get a palindrome (323233332323).
The spelling of 212201230111 in words is "two hundred twelve billion, two hundred one million, two hundred thirty thousand, one hundred eleven".
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