Base | Representation |
---|---|
bin | 1100010110010000000… |
… | …1001100001100100011 |
3 | 202021112210201020120012 |
4 | 3011210001030030203 |
5 | 11433421121244303 |
6 | 241241332435135 |
7 | 21216546262046 |
oct | 3054401141443 |
9 | 667483636505 |
10 | 212131431203 |
11 | 81a67731aaa |
12 | 35142478aab |
13 | 17008780a33 |
14 | a3a5352c5d |
15 | 57b85075d8 |
hex | 316404c323 |
212131431203 has 8 divisors (see below), whose sum is σ = 214535847600. Its totient is φ = 209727479808.
The previous prime is 212131431179. The next prime is 212131431217. The reversal of 212131431203 is 302134131212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 212131431203 - 26 = 212131431139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (212131439203) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846188 + ... + 1067846.
It is an arithmetic number, because the mean of its divisors is an integer number (26816980950).
Almost surely, 2212131431203 is an apocalyptic number.
212131431203 is a deficient number, since it is larger than the sum of its proper divisors (2404416397).
212131431203 is a wasteful number, since it uses less digits than its factorization.
212131431203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232501.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 212131431203 its reverse (302134131212), we get a palindrome (514265562415).
The spelling of 212131431203 in words is "two hundred twelve billion, one hundred thirty-one million, four hundred thirty-one thousand, two hundred three".
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