Base | Representation |
---|---|
bin | 1011111011110101111… |
… | …0011101100101010110 |
3 | 201121020202100012200100 |
4 | 2332331132131211112 |
5 | 11324411314422410 |
6 | 234110052554530 |
7 | 20546066103135 |
oct | 2767536354526 |
9 | 647222305610 |
10 | 205042342230 |
11 | 79a5a069590 |
12 | 338a4322a46 |
13 | 16448b8472b |
14 | 9cd1a4591c |
15 | 5500e918c0 |
hex | 2fbd79d956 |
205042342230 has 96 divisors (see below), whose sum is σ = 581664665088. Its totient is φ = 49699540800.
The previous prime is 205042342207. The next prime is 205042342259. The reversal of 205042342230 is 32243240502.
It is a happy number.
205042342230 is a `hidden beast` number, since 2 + 0 + 5 + 0 + 423 + 4 + 2 + 230 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 205042342194 and 205042342203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8869747 + ... + 8892833.
It is an arithmetic number, because the mean of its divisors is an integer number (6059006928).
Almost surely, 2205042342230 is an apocalyptic number.
205042342230 is an abundant number, since it is smaller than the sum of its proper divisors (376622322858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205042342230 is a wasteful number, since it uses less digits than its factorization.
205042342230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32082 (or 32079 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 27.
Adding to 205042342230 its reverse (32243240502), we get a palindrome (237285582732).
The spelling of 205042342230 in words is "two hundred five billion, forty-two million, three hundred forty-two thousand, two hundred thirty".
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