Base | Representation |
---|---|
bin | 110000010001100011111010… |
… | …110011101100001010101001 |
3 | 1000211201221001012012021020121 |
4 | 300101203322303230022221 |
5 | 210312014041443330441 |
6 | 2031315132101123241 |
7 | 62502052560021223 |
oct | 6021437263541251 |
9 | 1024657035167217 |
10 | 212313031230121 |
11 | 617164a615a518 |
12 | 1b98b8306b9521 |
13 | 9161057494c03 |
14 | 3a600112bd413 |
15 | 1982b386dddd1 |
hex | c118facec2a9 |
212313031230121 has 8 divisors (see below), whose sum is σ = 214647645922304. Its totient is φ = 209981392467840.
The previous prime is 212313031230109. The next prime is 212313031230151. The reversal of 212313031230121 is 121032130313212.
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 212313031230121 - 25 = 212313031230089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212313031230151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743839005 + ... + 744124378.
It is an arithmetic number, because the mean of its divisors is an integer number (26830955740288).
Almost surely, 2212313031230121 is an apocalyptic number.
It is an amenable number.
212313031230121 is a deficient number, since it is larger than the sum of its proper divisors (2334614692183).
212313031230121 is a wasteful number, since it uses less digits than its factorization.
212313031230121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1487964951.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 212313031230121 its reverse (121032130313212), we get a palindrome (333345161543333).
The spelling of 212313031230121 in words is "two hundred twelve trillion, three hundred thirteen billion, thirty-one million, two hundred thirty thousand, one hundred twenty-one".
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