Base | Representation |
---|---|
bin | 1000010011111101… |
… | …1001110010011110 |
3 | 12202111102101010110 |
4 | 2010333121302132 |
5 | 14032142310324 |
6 | 1005222350450 |
7 | 106201666536 |
oct | 20477316236 |
9 | 5674371113 |
10 | 2231213214 |
11 | a4550956a |
12 | 52328b426 |
13 | 29733c909 |
14 | 1724844c6 |
15 | d0d35329 |
hex | 84fd9c9e |
2231213214 has 16 divisors (see below), whose sum is σ = 4503367440. Its totient is φ = 736914240.
The previous prime is 2231213213. The next prime is 2231213249. The reversal of 2231213214 is 4123121322.
It is a super-3 number, since 3×22312132143 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231213213) 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, 1705167 + ... + 1706474.
It is an arithmetic number, because the mean of its divisors is an integer number (281460465).
Almost surely, 22231213214 is an apocalyptic number.
2231213214 is an abundant number, since it is smaller than the sum of its proper divisors (2272154226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2231213214 is a wasteful number, since it uses less digits than its factorization.
2231213214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3411755.
The product of its digits is 576, while the sum is 21.
The square root of 2231213214 is about 47235.7196833075. The cubic root of 2231213214 is about 1306.7134393254.
Adding to 2231213214 its reverse (4123121322), we get a palindrome (6354334536).
The spelling of 2231213214 in words is "two billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred fourteen".
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