Base | Representation |
---|---|
bin | 1000010011111101… |
… | …1001101111100110 |
3 | 12202111102100212122 |
4 | 2010333121233212 |
5 | 14032142304110 |
6 | 1005222345542 |
7 | 106201666154 |
oct | 20477315746 |
9 | 5674370778 |
10 | 2231213030 |
11 | a45509412 |
12 | 52328b2b2 |
13 | 29733c7c7 |
14 | 1724843d4 |
15 | d0d35255 |
hex | 84fd9be6 |
2231213030 has 32 divisors (see below), whose sum is σ = 4183915680. Its totient is φ = 855950080.
The previous prime is 2231213021. The next prime is 2231213041. The reversal of 2231213030 is 303121322.
It is a super-3 number, since 3×22312130303 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 21929 + ... + 70308.
It is an arithmetic number, because the mean of its divisors is an integer number (130747365).
Almost surely, 22231213030 is an apocalyptic number.
2231213030 is a deficient number, since it is larger than the sum of its proper divisors (1952702650).
2231213030 is a wasteful number, since it uses less digits than its factorization.
2231213030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92344.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 2231213030 is about 47235.7177356288. The cubic root of 2231213030 is about 1306.7134034055.
Adding to 2231213030 its reverse (303121322), we get a palindrome (2534334352).
The spelling of 2231213030 in words is "two billion, two hundred thirty-one million, two hundred thirteen thousand, thirty".
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