Base | Representation |
---|---|
bin | 1100010101110111111… |
… | …0101110110100100101 |
3 | 202021021202002021020200 |
4 | 3011131332232310211 |
5 | 11433214202421201 |
6 | 241223313221113 |
7 | 21214206211533 |
oct | 3053576566445 |
9 | 667252067220 |
10 | 212030123301 |
11 | 81a15527967 |
12 | 35114561799 |
13 | 16cc079cb29 |
14 | a395b01153 |
15 | 57ae695386 |
hex | 315dfaed25 |
212030123301 has 48 divisors (see below), whose sum is σ = 321781265520. Its totient is φ = 134402872320.
The previous prime is 212030123273. The next prime is 212030123351. The reversal of 212030123301 is 103321030212.
212030123301 is a `hidden beast` number, since 21 + 20 + 301 + 23 + 301 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 384120801 + 211646002500 = 19599^2 + 460050^2 .
It is not a de Polignac number, because 212030123301 - 213 = 212030115109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212030123351) 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 47 ways as a sum of consecutive naturals, for example, 2609671 + ... + 2689691.
It is an arithmetic number, because the mean of its divisors is an integer number (6703776365).
Almost surely, 2212030123301 is an apocalyptic number.
It is an amenable number.
212030123301 is a deficient number, since it is larger than the sum of its proper divisors (109751142219).
212030123301 is a wasteful number, since it uses less digits than its factorization.
212030123301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80246 (or 80243 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 212030123301 its reverse (103321030212), we get a palindrome (315351153513).
The spelling of 212030123301 in words is "two hundred twelve billion, thirty million, one hundred twenty-three thousand, three hundred one".
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