Base | Representation |
---|---|
bin | 1100010111010111100… |
… | …0010110100011001011 |
3 | 202022022200121012122012 |
4 | 3011311320112203023 |
5 | 11440024330313303 |
6 | 241331155450135 |
7 | 21230145410213 |
oct | 3056570264313 |
9 | 668280535565 |
10 | 212431104203 |
11 | 8210090283a |
12 | 352068b694b |
13 | 17055895a36 |
14 | a3d307d243 |
15 | 57d499e5d8 |
hex | 3175e168cb |
212431104203 has 4 divisors (see below), whose sum is σ = 212432887920. Its totient is φ = 212429320488.
The previous prime is 212431104187. The next prime is 212431104229. The reversal of 212431104203 is 302401134212.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 212431104203 - 24 = 212431104187 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212431104283) 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, 699368 + ... + 956021.
It is an arithmetic number, because the mean of its divisors is an integer number (53108221980).
Almost surely, 2212431104203 is an apocalyptic number.
212431104203 is a deficient number, since it is larger than the sum of its proper divisors (1783717).
212431104203 is a wasteful number, since it uses less digits than its factorization.
212431104203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1783716.
The product of its (nonzero) digits is 1152, while the sum is 23.
Adding to 212431104203 its reverse (302401134212), we get a palindrome (514832238415).
The spelling of 212431104203 in words is "two hundred twelve billion, four hundred thirty-one million, one hundred four thousand, two hundred three".
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