Base | Representation |
---|---|
bin | 11001010001011… |
… | …10010011100001 |
3 | 112202220211002120 |
4 | 30220232103201 |
5 | 413233031032 |
6 | 33011534453 |
7 | 5152662453 |
oct | 1450562341 |
9 | 482824076 |
10 | 212002017 |
11 | a9740287 |
12 | 5abba429 |
13 | 34bca1a6 |
14 | 202282d3 |
15 | 1392a62c |
hex | ca2e4e1 |
212002017 has 16 divisors (see below), whose sum is σ = 296269440. Its totient is φ = 134589312.
The previous prime is 212001983. The next prime is 212002027. The reversal of 212002017 is 710200212.
It is not a de Polignac number, because 212002017 - 211 = 211999969 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212001987 and 212002005.
It is not an unprimeable number, because it can be changed into a prime (212002027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9093 + ... + 22509.
It is an arithmetic number, because the mean of its divisors is an integer number (18516840).
Almost surely, 2212002017 is an apocalyptic number.
It is an amenable number.
212002017 is a deficient number, since it is larger than the sum of its proper divisors (84267423).
212002017 is a wasteful number, since it uses less digits than its factorization.
212002017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13672.
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 212002017 is about 14560.2890424607. The cubic root of 212002017 is about 596.2750867794.
Adding to 212002017 its reverse (710200212), we get a palindrome (922202229).
The spelling of 212002017 in words is "two hundred twelve million, two thousand, seventeen".
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