Base | Representation |
---|---|
bin | 1100010101110000101… |
… | …1110111011011101011 |
3 | 202021012122102110022201 |
4 | 3011130023313123223 |
5 | 11433134000341021 |
6 | 241220320001031 |
7 | 21213362240524 |
oct | 3053413673353 |
9 | 667178373281 |
10 | 212000012011 |
11 | 819aa5308a7 |
12 | 35106460177 |
13 | 16cb74892b8 |
14 | a391b0384b |
15 | 57abbe8591 |
hex | 315c2f76eb |
212000012011 has 24 divisors (see below), whose sum is σ = 225244152000. Its totient is φ = 199499174640.
The previous prime is 212000012009. The next prime is 212000012033. The reversal of 212000012011 is 110210000212.
It is not a de Polignac number, because 212000012011 - 21 = 212000012009 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212000012111) 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 23 ways as a sum of consecutive naturals, for example, 109786716 + ... + 109788646.
It is an arithmetic number, because the mean of its divisors is an integer number (9385173000).
Almost surely, 2212000012011 is an apocalyptic number.
212000012011 is a deficient number, since it is larger than the sum of its proper divisors (13244139989).
212000012011 is a wasteful number, since it uses less digits than its factorization.
212000012011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3847 (or 3828 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 10.
Adding to 212000012011 its reverse (110210000212), we get a palindrome (322210012223).
The spelling of 212000012011 in words is "two hundred twelve billion, twelve thousand, eleven".
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