Base | Representation |
---|---|
bin | 110000001101001010101001… |
… | …001000011100110111001111 |
3 | 1000210200001111001001012210102 |
4 | 300031022221020130313033 |
5 | 210242042023341330111 |
6 | 2030524303115201315 |
7 | 62441201356254431 |
oct | 6015125110346717 |
9 | 1023601431035712 |
10 | 212011013230031 |
11 | 6160a402941954 |
12 | 1b9411a344623b |
13 | 913b725558c12 |
14 | 3a4d560158651 |
15 | 1979d5dcb413b |
hex | c0d2a921cdcf |
212011013230031 has 16 divisors (see below), whose sum is σ = 219693967416000. Its totient is φ = 204352893308928.
The previous prime is 212011013229889. The next prime is 212011013230109. The reversal of 212011013230031 is 130032310110212.
It is a happy number.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212011013230031 is a prime.
It is a super-3 number, since 3×2120110132300313 (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 212011013229985 and 212011013230012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212011013230231) 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 15 ways as a sum of consecutive naturals, for example, 714094991 + ... + 714391823.
It is an arithmetic number, because the mean of its divisors is an integer number (13730872963500).
Almost surely, 2212011013230031 is an apocalyptic number.
212011013230031 is a deficient number, since it is larger than the sum of its proper divisors (7682954185969).
212011013230031 is a wasteful number, since it uses less digits than its factorization.
212011013230031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338578.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 212011013230031 its reverse (130032310110212), we get a palindrome (342043323340243).
The spelling of 212011013230031 in words is "two hundred twelve trillion, eleven billion, thirteen million, two hundred thirty thousand, thirty-one".
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