Base | Representation |
---|---|
bin | 1100010101111000001… |
… | …0001001110010101001 |
3 | 202021021210202211120012 |
4 | 3011132002021302221 |
5 | 11433214420121301 |
6 | 241223344341305 |
7 | 21214216635440 |
oct | 3053602116251 |
9 | 667253684505 |
10 | 212031020201 |
11 | 81a15a8a800 |
12 | 35114914835 |
13 | 16cc0a25140 |
14 | a395c95d57 |
15 | 57ae7c0ebb |
hex | 315e089ca9 |
212031020201 has 96 divisors (see below), whose sum is σ = 319705102080. Its totient is φ = 135981711360.
The previous prime is 212031020191. The next prime is 212031020209. The reversal of 212031020201 is 102020130212.
It is a happy number.
It is not a de Polignac number, because 212031020201 - 218 = 212030758057 is a prime.
It is a super-3 number, since 3×2120310202013 (a number of 35 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (212031020209) 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 95 ways as a sum of consecutive naturals, for example, 3526745 + ... + 3586361.
It is an arithmetic number, because the mean of its divisors is an integer number (3330261480).
Almost surely, 2212031020201 is an apocalyptic number.
It is an amenable number.
212031020201 is a deficient number, since it is larger than the sum of its proper divisors (107674081879).
212031020201 is a wasteful number, since it uses less digits than its factorization.
212031020201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59695 (or 59684 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 212031020201 its reverse (102020130212), we get a palindrome (314051150413).
The spelling of 212031020201 in words is "two hundred twelve billion, thirty-one million, twenty thousand, two hundred one".
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