Base | Representation |
---|---|
bin | 10100100111000111… |
… | …110101010100101011 |
3 | 2010010100202111212002 |
4 | 110213013311110223 |
5 | 330311041420243 |
6 | 14100020241215 |
7 | 1412301051560 |
oct | 244707652453 |
9 | 63110674762 |
10 | 22131201323 |
11 | 9427539130 |
12 | 435784020b |
13 | 211909b4ca |
14 | 10dd374867 |
15 | 897de7eb8 |
hex | 5271f552b |
22131201323 has 8 divisors (see below), whose sum is σ = 27592147200. Its totient is φ = 17245091880.
The previous prime is 22131201263. The next prime is 22131201347. The reversal of 22131201323 is 32310213122.
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 22131201323 - 214 = 22131184939 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22131201295 and 22131201304.
It is not an unprimeable number, because it can be changed into a prime (22131201383) 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 7 ways as a sum of consecutive naturals, for example, 143709023 + ... + 143709176.
It is an arithmetic number, because the mean of its divisors is an integer number (3449018400).
Almost surely, 222131201323 is an apocalyptic number.
22131201323 is a deficient number, since it is larger than the sum of its proper divisors (5460945877).
22131201323 is a wasteful number, since it uses less digits than its factorization.
22131201323 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287418217.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 22131201323 its reverse (32310213122), we get a palindrome (54441414445).
The spelling of 22131201323 in words is "twenty-two billion, one hundred thirty-one million, two hundred one thousand, three hundred twenty-three".
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