Base | Representation |
---|---|
bin | 110000001101011101010111… |
… | …000111100100010100101011 |
3 | 1000210201222100202121202112210 |
4 | 300031131113013210110223 |
5 | 210242404204144300321 |
6 | 2030541425335540203 |
7 | 62442512422001352 |
oct | 6015352707442453 |
9 | 1023658322552483 |
10 | 212031112103211 |
11 | 61617987162845 |
12 | 1b94507252a663 |
13 | 91405a957149b |
14 | 3a5050961a999 |
15 | 197a638560b76 |
hex | c0d7571e452b |
212031112103211 has 16 divisors (see below), whose sum is σ = 282904950988800. Its totient is φ = 141255708060288.
The previous prime is 212031112103179. The next prime is 212031112103233. The reversal of 212031112103211 is 112301211130212.
212031112103211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 212031112103211 - 25 = 212031112103179 is a prime.
It is not an unprimeable number, because it can be changed into a prime (212031112103311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20642850 + ... + 29158008.
It is an arithmetic number, because the mean of its divisors is an integer number (17681559436800).
Almost surely, 2212031112103211 is an apocalyptic number.
212031112103211 is a deficient number, since it is larger than the sum of its proper divisors (70873838885589).
212031112103211 is a wasteful number, since it uses less digits than its factorization.
212031112103211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8520938.
The product of its (nonzero) digits is 144, while the sum is 21.
Adding to 212031112103211 its reverse (112301211130212), we get a palindrome (324332323233423).
The spelling of 212031112103211 in words is "two hundred twelve trillion, thirty-one billion, one hundred twelve million, one hundred three thousand, two hundred eleven".
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