Base | Representation |
---|---|
bin | 1011111100111111010… |
… | …0100101011100001001 |
3 | 201122001012111112010122 |
4 | 2333033310211130021 |
5 | 11331024113201330 |
6 | 234200405553025 |
7 | 20556524213633 |
oct | 2771764453411 |
9 | 648035445118 |
10 | 205350131465 |
11 | 7a0a7883156 |
12 | 3396b415775 |
13 | 1649787ba3b |
14 | 9d20885a53 |
15 | 551cedd5e5 |
hex | 2fcfd25709 |
205350131465 has 8 divisors (see below), whose sum is σ = 246578230080. Its totient is φ = 164174723632.
The previous prime is 205350131447. The next prime is 205350131473. The reversal of 205350131465 is 564131053502.
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 205350131465 - 216 = 205350065929 is a prime.
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, 13164119 + ... + 13179708.
It is an arithmetic number, because the mean of its divisors is an integer number (30822278760).
Almost surely, 2205350131465 is an apocalyptic number.
It is an amenable number.
205350131465 is a deficient number, since it is larger than the sum of its proper divisors (41228098615).
205350131465 is a wasteful number, since it uses less digits than its factorization.
205350131465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26345391.
The product of its (nonzero) digits is 54000, while the sum is 35.
Adding to 205350131465 its reverse (564131053502), we get a palindrome (769481184967).
The spelling of 205350131465 in words is "two hundred five billion, three hundred fifty million, one hundred thirty-one thousand, four hundred sixty-five".
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