Base | Representation |
---|---|
bin | 1100010110100011100… |
… | …1001010010100011001 |
3 | 202021202111121011022221 |
4 | 3011220321022110121 |
5 | 11434103040244231 |
6 | 241253413344041 |
7 | 21221561354236 |
oct | 3055071122431 |
9 | 667674534287 |
10 | 212213212441 |
11 | 81aa990a4aa |
12 | 35165938021 |
13 | 1701c6b5ab9 |
14 | a3b216078d |
15 | 57c07add11 |
hex | 3168e4a519 |
212213212441 has 4 divisors (see below), whose sum is σ = 217148403472. Its totient is φ = 207278021412.
The previous prime is 212213212439. The next prime is 212213212483. The reversal of 212213212441 is 144212312212.
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 212213212441 - 21 = 212213212439 is a prime.
It is a super-3 number, since 3×2122132124413 (a number of 35 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212213212741) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 2467595451 + ... + 2467595536.
It is an arithmetic number, because the mean of its divisors is an integer number (54287100868).
Almost surely, 2212213212441 is an apocalyptic number.
It is an amenable number.
212213212441 is a deficient number, since it is larger than the sum of its proper divisors (4935191031).
212213212441 is an equidigital number, since it uses as much as digits as its factorization.
212213212441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4935191030.
The product of its digits is 1536, while the sum is 25.
Adding to 212213212441 its reverse (144212312212), we get a palindrome (356425524653).
The spelling of 212213212441 in words is "two hundred twelve billion, two hundred thirteen million, two hundred twelve thousand, four hundred forty-one".
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