Base | Representation |
---|---|
bin | 1011111100100010111… |
… | …0010011001010001010 |
3 | 201121201220102012202112 |
4 | 2333020232103022022 |
5 | 11330303121340320 |
6 | 234140513302322 |
7 | 20553550040564 |
oct | 2771056231212 |
9 | 647656365675 |
10 | 205231043210 |
11 | 7a046634406 |
12 | 339375649a2 |
13 | 16478cb3b0b |
14 | 9d0cb26334 |
15 | 5512817ec5 |
hex | 2fc8b9328a |
205231043210 has 8 divisors (see below), whose sum is σ = 369415877796. Its totient is φ = 82092417280.
The previous prime is 205231043209. The next prime is 205231043243. The reversal of 205231043210 is 12340132502.
205231043210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 172456647841 + 32774395369 = 415279^2 + 181037^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10261552151 + ... + 10261552170.
Almost surely, 2205231043210 is an apocalyptic number.
205231043210 is a deficient number, since it is larger than the sum of its proper divisors (164184834586).
205231043210 is a wasteful number, since it uses less digits than its factorization.
205231043210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20523104328.
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 205231043210 its reverse (12340132502), we get a palindrome (217571175712).
The spelling of 205231043210 in words is "two hundred five billion, two hundred thirty-one million, forty-three thousand, two hundred ten".
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