Base | Representation |
---|---|
bin | 1000001111101100… |
… | …1011110111110101 |
3 | 12201020202211112210 |
4 | 2003323023313311 |
5 | 14013103033141 |
6 | 1003343204033 |
7 | 105563666241 |
oct | 20373136765 |
9 | 5636684483 |
10 | 2213330421 |
11 | a364049a5 |
12 | 5192a6619 |
13 | 29371b093 |
14 | 16dd4b421 |
15 | ce4a1916 |
hex | 83ecbdf5 |
2213330421 has 8 divisors (see below), whose sum is σ = 2953398304. Its totient is φ = 1474408080.
The previous prime is 2213330393. The next prime is 2213330437. The reversal of 2213330421 is 1240333122.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2213330421 - 25 = 2213330389 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 (2213330621) 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, 281866 + ... + 289611.
It is an arithmetic number, because the mean of its divisors is an integer number (369174788).
Almost surely, 22213330421 is an apocalyptic number.
It is an amenable number.
2213330421 is a deficient number, since it is larger than the sum of its proper divisors (740067883).
2213330421 is a wasteful number, since it uses less digits than its factorization.
2213330421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 572771.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 2213330421 is about 47046.0457530705. The cubic root of 2213330421 is about 1303.2130425295.
Adding to 2213330421 its reverse (1240333122), we get a palindrome (3453663543).
The spelling of 2213330421 in words is "two billion, two hundred thirteen million, three hundred thirty thousand, four hundred twenty-one".
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