Base | Representation |
---|---|
bin | 1000001111101000… |
… | …1111000011101101 |
3 | 12201020022011212000 |
4 | 2003322033003231 |
5 | 14013022100300 |
6 | 1003334002513 |
7 | 105561611100 |
oct | 20372170355 |
9 | 5636264760 |
10 | 2213081325 |
11 | a36254834 |
12 | 5191a6439 |
13 | 2936618a0 |
14 | 16dcc4737 |
15 | ce452c00 |
hex | 83e8f0ed |
2213081325 has 144 divisors (see below), whose sum is σ = 5094048960. Its totient is φ = 933690240.
The previous prime is 2213081317. The next prime is 2213081363. The reversal of 2213081325 is 5231803122.
2213081325 is a `hidden beast` number, since 221 + 308 + 132 + 5 = 666.
It is not a de Polignac number, because 2213081325 - 23 = 2213081317 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 427402 + ... + 432548.
It is an arithmetic number, because the mean of its divisors is an integer number (35375340).
Almost surely, 22213081325 is an apocalyptic number.
2213081325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2213081325 is an abundant number, since it is smaller than the sum of its proper divisors (2880967635).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2213081325 is a wasteful number, since it uses less digits than its factorization.
2213081325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5193 (or 5175 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 2213081325 is about 47043.3983147476. The cubic root of 2213081325 is about 1303.1641513003.
Adding to 2213081325 its reverse (5231803122), we get a palindrome (7444884447).
The spelling of 2213081325 in words is "two billion, two hundred thirteen million, eighty-one thousand, three hundred twenty-five".
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