Base | Representation |
---|---|
bin | 1100010101110000110… |
… | …0001111011000011111 |
3 | 202021012122121102220001 |
4 | 3011130030033120133 |
5 | 11433134012010421 |
6 | 241220322035131 |
7 | 21213363126526 |
oct | 3053414173037 |
9 | 667178542801 |
10 | 212000110111 |
11 | 819aa598579 |
12 | 351064a8aa7 |
13 | 16cb74c1b4a |
14 | a391b2b4bd |
15 | 57abc17691 |
hex | 315c30f61f |
212000110111 has 4 divisors (see below), whose sum is σ = 212001095952. Its totient is φ = 211999124272.
The previous prime is 212000110109. The next prime is 212000110141. The reversal of 212000110111 is 111011000212.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 212000110111 - 21 = 212000110109 is a prime.
It is a super-2 number, since 2×2120001101112 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212000110141) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17515 + ... + 651388.
It is an arithmetic number, because the mean of its divisors is an integer number (53000273988).
Almost surely, 2212000110111 is an apocalyptic number.
212000110111 is a deficient number, since it is larger than the sum of its proper divisors (985841).
212000110111 is an equidigital number, since it uses as much as digits as its factorization.
212000110111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 985840.
The product of its (nonzero) digits is 4, while the sum is 10.
Adding to 212000110111 its reverse (111011000212), we get a palindrome (323011110323).
The spelling of 212000110111 in words is "two hundred twelve billion, one hundred ten thousand, one hundred eleven".
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