Base | Representation |
---|---|
bin | 100000001101001110111… |
… | …010001011100100010101 |
3 | 21211120201221112102000112 |
4 | 200031032322023210111 |
5 | 242230144400011041 |
6 | 4412424511252405 |
7 | 315620644604633 |
oct | 40151672134425 |
9 | 7746657472015 |
10 | 2213232032021 |
11 | 78369886853a |
12 | 2b8b32b1a105 |
13 | 13092604639a |
14 | 7919a05a353 |
15 | 3c887e38deb |
hex | 2034ee8b915 |
2213232032021 has 4 divisors (see below), whose sum is σ = 2221052640192. Its totient is φ = 2205411423852.
The previous prime is 2213232032009. The next prime is 2213232032083. The reversal of 2213232032021 is 1202302323122.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2213232032021 - 218 = 2213231769877 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 (2213232232021) 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 3 ways as a sum of consecutive naturals, for example, 3910303661 + ... + 3910304226.
It is an arithmetic number, because the mean of its divisors is an integer number (555263160048).
Almost surely, 22213232032021 is an apocalyptic number.
It is an amenable number.
2213232032021 is a deficient number, since it is larger than the sum of its proper divisors (7820608171).
2213232032021 is an equidigital number, since it uses as much as digits as its factorization.
2213232032021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7820608170.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 2213232032021 its reverse (1202302323122), we get a palindrome (3415534355143).
The spelling of 2213232032021 in words is "two trillion, two hundred thirteen billion, two hundred thirty-two million, thirty-two thousand, twenty-one".
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