Base | Representation |
---|---|
bin | 100000010110100010111… |
… | …001010011000000110111 |
3 | 21212112112210101200102210 |
4 | 200112202321103000313 |
5 | 242411134120133421 |
6 | 4421201020304503 |
7 | 316423510606422 |
oct | 40264271230067 |
9 | 7775483350383 |
10 | 2223231021111 |
11 | 787959a51a91 |
12 | 2baa636a2133 |
13 | 13185a76b689 |
14 | 79867dd89b9 |
15 | 3cc70b97576 |
hex | 205a2e53037 |
2223231021111 has 32 divisors (see below), whose sum is σ = 3113453790720. Its totient is φ = 1409256329600.
The previous prime is 2223231021079. The next prime is 2223231021173. The reversal of 2223231021111 is 1111201323222.
It is a cyclic number.
It is not a de Polignac number, because 2223231021111 - 25 = 2223231021079 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2223231041111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1750741 + ... + 2740721.
It is an arithmetic number, because the mean of its divisors is an integer number (97295430960).
Almost surely, 22223231021111 is an apocalyptic number.
2223231021111 is a deficient number, since it is larger than the sum of its proper divisors (890222769609).
2223231021111 is a wasteful number, since it uses less digits than its factorization.
2223231021111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 990407.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 2223231021111 its reverse (1111201323222), we get a palindrome (3334432344333).
The spelling of 2223231021111 in words is "two trillion, two hundred twenty-three billion, two hundred thirty-one million, twenty-one thousand, one hundred eleven".
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