Base | Representation |
---|---|
bin | 111111110111111… |
… | …0010100101110110 |
3 | 12112100212120220200 |
4 | 1333233302211312 |
5 | 13342132000142 |
6 | 552400541330 |
7 | 104053122600 |
oct | 17757624566 |
9 | 5470776820 |
10 | 2143234422 |
11 | 9aa88881a |
12 | 4b9921846 |
13 | 282047964 |
14 | 164902170 |
15 | c825764c |
hex | 7fbf2976 |
2143234422 has 36 divisors (see below), whose sum is σ = 5401827756. Its totient is φ = 612352440.
The previous prime is 2143234417. The next prime is 2143234427. The reversal of 2143234422 is 2244323412.
2143234422 is a `hidden beast` number, since 2 + 1 + 4 + 3 + 234 + 422 = 666.
It is an interprime number because it is at equal distance from previous prime (2143234417) and next prime (2143234427).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2143234427) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1214104 + ... + 1215867.
It is an arithmetic number, because the mean of its divisors is an integer number (150050771).
Almost surely, 22143234422 is an apocalyptic number.
2143234422 is an abundant number, since it is smaller than the sum of its proper divisors (3258593334).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2143234422 is a wasteful number, since it uses less digits than its factorization.
2143234422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2429993 (or 2429983 counting only the distinct ones).
The product of its digits is 9216, while the sum is 27.
The square root of 2143234422 is about 46295.0798897680. The cubic root of 2143234422 is about 1289.3076472244.
Adding to 2143234422 its reverse (2244323412), we get a palindrome (4387557834).
The spelling of 2143234422 in words is "two billion, one hundred forty-three million, two hundred thirty-four thousand, four hundred twenty-two".
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