Base | Representation |
---|---|
bin | 1011111100110100000… |
… | …0111010010110101010 |
3 | 201121220220212120201202 |
4 | 2333031000322112222 |
5 | 11330430033444320 |
6 | 234152004244202 |
7 | 20555412654254 |
oct | 2771500722652 |
9 | 647826776652 |
10 | 205303031210 |
11 | 7a083233022 |
12 | 339576a0662 |
13 | 1648ab9a474 |
14 | 9d18504cd4 |
15 | 5518cd7b75 |
hex | 2fcd03a5aa |
205303031210 has 16 divisors (see below), whose sum is σ = 369571482792. Its totient is φ = 82115428800.
The previous prime is 205303031207. The next prime is 205303031221. The reversal of 205303031210 is 12130303502.
It can be written as a sum of positive squares in 4 ways, for example, as 105844163569 + 99458867641 = 325337^2 + 315371^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572381 + ... + 859200.
Almost surely, 2205303031210 is an apocalyptic number.
205303031210 is a deficient number, since it is larger than the sum of its proper divisors (164268451582).
205303031210 is a wasteful number, since it uses less digits than its factorization.
205303031210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1445929.
The product of its (nonzero) digits is 540, while the sum is 20.
Adding to 205303031210 its reverse (12130303502), we get a palindrome (217433334712).
The spelling of 205303031210 in words is "two hundred five billion, three hundred three million, thirty-one thousand, two hundred ten".
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