Base | Representation |
---|---|
bin | 1100010101110001001… |
… | …1111010001000010100 |
3 | 202021012210101120020020 |
4 | 3011130103322020110 |
5 | 11433140020321322 |
6 | 241220433105140 |
7 | 21213416201061 |
oct | 3053423721024 |
9 | 667183346206 |
10 | 212002120212 |
11 | 81a00740813 |
12 | 351070b81b0 |
13 | 16cb7a46a5c |
14 | a3920d1c68 |
15 | 57abeb305c |
hex | 315c4fa214 |
212002120212 has 48 divisors (see below), whose sum is σ = 504888576192. Its totient is φ = 69212482560.
The previous prime is 212002120163. The next prime is 212002120219. The reversal of 212002120212 is 212021200212.
212002120212 is a modest number, since divided by 2120212 gives 2120 as remainder.
It is a junction number, because it is equal to n+sod(n) for n = 212002120191 and 212002120200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212002120219) 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 15 ways as a sum of consecutive naturals, for example, 71268 + ... + 655044.
It is an arithmetic number, because the mean of its divisors is an integer number (10518512004).
Almost surely, 2212002120212 is an apocalyptic number.
It is an amenable number.
212002120212 is an abundant number, since it is smaller than the sum of its proper divisors (292886455980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212002120212 is a wasteful number, since it uses less digits than its factorization.
212002120212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 584408 (or 584406 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 212002120212 its reverse (212021200212), we get a palindrome (424023320424).
It can be divided in two parts, 21200 and 2120212, that added together give a palindrome (2141412).
The spelling of 212002120212 in words is "two hundred twelve billion, two million, one hundred twenty thousand, two hundred twelve".
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