Base | Representation |
---|---|
bin | 1100010101110110001… |
… | …1100110111111010011 |
3 | 202021021020201001012110 |
4 | 3011131203212333103 |
5 | 11433210342411311 |
6 | 241222501000403 |
7 | 21214061610003 |
oct | 3053543467723 |
9 | 667236631173 |
10 | 212023013331 |
11 | 81a11511058 |
12 | 351120b3103 |
13 | 16cbc18084c |
14 | a394bb0003 |
15 | 57adc3d8a6 |
hex | 315d8e6fd3 |
212023013331 has 16 divisors (see below), whose sum is σ = 283255418880. Its totient is φ = 141069859680.
The previous prime is 212023013327. The next prime is 212023013383. The reversal of 212023013331 is 133310320212.
It is not a de Polignac number, because 212023013331 - 22 = 212023013327 is a prime.
It is a super-2 number, since 2×2120230133312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 212023013298 and 212023013307.
It is not an unprimeable number, because it can be changed into a prime (212023013311) 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 15 ways as a sum of consecutive naturals, for example, 4064110 + ... + 4115948.
It is an arithmetic number, because the mean of its divisors is an integer number (17703463680).
Almost surely, 2212023013331 is an apocalyptic number.
212023013331 is a deficient number, since it is larger than the sum of its proper divisors (71232405549).
212023013331 is a wasteful number, since it uses less digits than its factorization.
212023013331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54506.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 212023013331 its reverse (133310320212), we get a palindrome (345333333543).
The spelling of 212023013331 in words is "two hundred twelve billion, twenty-three million, thirteen thousand, three hundred thirty-one".
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