Base | Representation |
---|---|
bin | 1000001110111101… |
… | …0101010001111111 |
3 | 12201000220222021200 |
4 | 2003233111101333 |
5 | 14011304120411 |
6 | 1003152430543 |
7 | 105525405336 |
oct | 20357252177 |
9 | 5630828250 |
10 | 2210223231 |
11 | a34682477 |
12 | 518248453 |
13 | 292ba09c8 |
14 | 16d77cd1d |
15 | ce08ae56 |
hex | 83bd547f |
2210223231 has 12 divisors (see below), whose sum is σ = 3278830152. Its totient is φ = 1433658096.
The previous prime is 2210223229. The next prime is 2210223247. The reversal of 2210223231 is 1323220122.
2210223231 is a `hidden beast` number, since 2 + 210 + 223 + 231 = 666.
It is not a de Polignac number, because 2210223231 - 21 = 2210223229 is a prime.
It is a super-2 number, since 2×22102232312 = 9770173461704158722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2210223271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3318321 + ... + 3318986.
It is an arithmetic number, because the mean of its divisors is an integer number (273235846).
Almost surely, 22210223231 is an apocalyptic number.
2210223231 is a deficient number, since it is larger than the sum of its proper divisors (1068606921).
2210223231 is a wasteful number, since it uses less digits than its factorization.
2210223231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6637350 (or 6637347 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 2210223231 is about 47013.0112947469. The cubic root of 2210223231 is about 1302.6029171935.
Adding to 2210223231 its reverse (1323220122), we get a palindrome (3533443353).
The spelling of 2210223231 in words is "two billion, two hundred ten million, two hundred twenty-three thousand, two hundred thirty-one".
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