Base | Representation |
---|---|
bin | 111110101111011… |
… | …0010110000010011 |
3 | 12102201100110201002 |
4 | 1331132302300103 |
5 | 13302414133321 |
6 | 544522132215 |
7 | 103112052626 |
oct | 17536626023 |
9 | 5381313632 |
10 | 2105224211 |
11 | 990387122 |
12 | 4a905106b |
13 | 2771c99cc |
14 | 15d849dbd |
15 | c4c4a20b |
hex | 7d7b2c13 |
2105224211 has 8 divisors (see below), whose sum is σ = 2121686784. Its totient is φ = 2088807880.
The previous prime is 2105224193. The next prime is 2105224217. The reversal of 2105224211 is 1124225012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2105224211 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2105224217) 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, 82826 + ... + 105216.
It is an arithmetic number, because the mean of its divisors is an integer number (265210848).
Almost surely, 22105224211 is an apocalyptic number.
2105224211 is a deficient number, since it is larger than the sum of its proper divisors (16462573).
2105224211 is a wasteful number, since it uses less digits than its factorization.
2105224211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23121.
The product of its (nonzero) digits is 320, while the sum is 20.
The square root of 2105224211 is about 45882.7223582036. The cubic root of 2105224211 is about 1281.6401928902.
Adding to 2105224211 its reverse (1124225012), we get a palindrome (3229449223).
The spelling of 2105224211 in words is "two billion, one hundred five million, two hundred twenty-four thousand, two hundred eleven".
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