Base | Representation |
---|---|
bin | 110000001110111010011010… |
… | …101100111001011000111111 |
3 | 1000211002112021020011111120201 |
4 | 300032322122230321120333 |
5 | 210301023322213210421 |
6 | 2031055352215424331 |
7 | 62452650452620435 |
oct | 6016723254713077 |
9 | 1024075236144521 |
10 | 212131030210111 |
11 | 616562a03443a1 |
12 | 1b9604b89850a7 |
13 | 9149b41109c6c |
14 | 3a552a7840d55 |
15 | 197d0354c0b91 |
hex | c0ee9ab3963f |
212131030210111 has 8 divisors (see below), whose sum is σ = 212461789691520. Its totient is φ = 211800279652248.
The previous prime is 212131030210003. The next prime is 212131030210153. The reversal of 212131030210111 is 111012030131212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212131030210111 - 29 = 212131030209599 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 (212131030210181) 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, 46168120 + ... + 50554498.
It is an arithmetic number, because the mean of its divisors is an integer number (26557723711440).
Almost surely, 2212131030210111 is an apocalyptic number.
212131030210111 is a deficient number, since it is larger than the sum of its proper divisors (330759481409).
212131030210111 is an equidigital number, since it uses as much as digits as its factorization.
212131030210111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4461773.
The product of its (nonzero) digits is 72, while the sum is 19.
Adding to 212131030210111 its reverse (111012030131212), we get a palindrome (323143060341323).
The spelling of 212131030210111 in words is "two hundred twelve trillion, one hundred thirty-one billion, thirty million, two hundred ten thousand, one hundred eleven".
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