Base | Representation |
---|---|
bin | 10100100111000111… |
… | …110101111111100111 |
3 | 2010010100202122121212 |
4 | 110213013311333213 |
5 | 330311042012241 |
6 | 14100020302035 |
7 | 1412301062564 |
oct | 244707657747 |
9 | 63110678555 |
10 | 22131204071 |
11 | 94275401a9 |
12 | 435784191b |
13 | 211909c832 |
14 | 10dd37586b |
15 | 897de8beb |
hex | 5271f5fe7 |
22131204071 has 8 divisors (see below), whose sum is σ = 22365897120. Its totient is φ = 21896644608.
The previous prime is 22131204041. The next prime is 22131204083. The reversal of 22131204071 is 17040213122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22131204071 - 218 = 22130941927 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22131204001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319310 + ... + 382388.
It is an arithmetic number, because the mean of its divisors is an integer number (2795737140).
Almost surely, 222131204071 is an apocalyptic number.
22131204071 is a deficient number, since it is larger than the sum of its proper divisors (234693049).
22131204071 is an equidigital number, since it uses as much as digits as its factorization.
22131204071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66793.
The product of its (nonzero) digits is 672, while the sum is 23.
Adding to 22131204071 its reverse (17040213122), we get a palindrome (39171417193).
The spelling of 22131204071 in words is "twenty-two billion, one hundred thirty-one million, two hundred four thousand, seventy-one".
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