Base | Representation |
---|---|
bin | 1100010101110110010… |
… | …0011100001010011010 |
3 | 202021021021010002222002 |
4 | 3011131210130022122 |
5 | 11433210421344010 |
6 | 241222505401002 |
7 | 21214063504664 |
oct | 3053544341232 |
9 | 667237102862 |
10 | 212023231130 |
11 | 81a1164a757 |
12 | 35112199162 |
13 | 16cbc228a19 |
14 | a394c29534 |
15 | 57adc831a5 |
hex | 315d91c29a |
212023231130 has 32 divisors (see below), whose sum is σ = 384258703248. Its totient is φ = 84228812800.
The previous prime is 212023231109. The next prime is 212023231159. The reversal of 212023231130 is 31132320212.
It can be written as a sum of positive squares in 8 ways, for example, as 162419478169 + 49603752961 = 403013^2 + 222719^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1562810 + ... + 1693050.
Almost surely, 2212023231130 is an apocalyptic number.
212023231130 is a deficient number, since it is larger than the sum of its proper divisors (172235472118).
212023231130 is a wasteful number, since it uses less digits than its factorization.
212023231130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131362.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 212023231130 its reverse (31132320212), we get a palindrome (243155551342).
The spelling of 212023231130 in words is "two hundred twelve billion, twenty-three million, two hundred thirty-one thousand, one hundred thirty".
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