Base | Representation |
---|---|
bin | 1000010001100110… |
… | …1011001110000101 |
3 | 12201210210220111110 |
4 | 2010121223032011 |
5 | 14022124320031 |
6 | 1004230355233 |
7 | 106021635522 |
oct | 20431531605 |
9 | 5653726443 |
10 | 2221323141 |
11 | a3a973a54 |
12 | 51babbb19 |
13 | 2952890bb |
14 | 17102c149 |
15 | d002ec46 |
hex | 8466b385 |
2221323141 has 16 divisors (see below), whose sum is σ = 3111292800. Its totient is φ = 1406982720.
The previous prime is 2221323119. The next prime is 2221323149. The reversal of 2221323141 is 1413231222.
It is not a de Polignac number, because 2221323141 - 227 = 2087105413 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221323149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97750 + ... + 118311.
It is an arithmetic number, because the mean of its divisors is an integer number (194455800).
Almost surely, 22221323141 is an apocalyptic number.
It is an amenable number.
2221323141 is a deficient number, since it is larger than the sum of its proper divisors (889969659).
2221323141 is a wasteful number, since it uses less digits than its factorization.
2221323141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216236.
The product of its digits is 576, while the sum is 21.
The square root of 2221323141 is about 47130.9149179177. The cubic root of 2221323141 is about 1304.7798674508.
Adding to 2221323141 its reverse (1413231222), we get a palindrome (3634554363).
It can be divided in two parts, 22213 and 23141, that added together give a palindrome (45354).
The spelling of 2221323141 in words is "two billion, two hundred twenty-one million, three hundred twenty-three thousand, one hundred forty-one".
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