Base | Representation |
---|---|
bin | 11000010000011000… |
… | …10011000011111101 |
3 | 1020121112211120212121 |
4 | 30020030103003331 |
5 | 203132204442141 |
6 | 5552110002541 |
7 | 640464043543 |
oct | 141014230375 |
9 | 36545746777 |
10 | 13022343421 |
11 | 558285639a |
12 | 26351a6451 |
13 | 12c6bc5969 |
14 | 8b7703d93 |
15 | 5133b71d1 |
hex | 3083130fd |
13022343421 has 8 divisors (see below), whose sum is σ = 13053079800. Its totient is φ = 12991630080.
The previous prime is 13022343419. The next prime is 13022343427. The reversal of 13022343421 is 12434322031.
It can be written as a sum of positive squares in 4 ways, for example, as 1618452900 + 11403890521 = 40230^2 + 106789^2 .
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 13022343421 - 21 = 13022343419 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 (13022343427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1667995 + ... + 1675783.
It is an arithmetic number, because the mean of its divisors is an integer number (1631634975).
Almost surely, 213022343421 is an apocalyptic number.
It is an amenable number.
13022343421 is a deficient number, since it is larger than the sum of its proper divisors (30736379).
13022343421 is an equidigital number, since it uses as much as digits as its factorization.
13022343421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11519.
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 13022343421 its reverse (12434322031), we get a palindrome (25456665452).
The spelling of 13022343421 in words is "thirteen billion, twenty-two million, three hundred forty-three thousand, four hundred twenty-one".
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