Base | Representation |
---|---|
bin | 1011111011111000110… |
… | …0000110001101110101 |
3 | 201121021120211222201010 |
4 | 2332332030012031311 |
5 | 11324422400231031 |
6 | 234111201222433 |
7 | 20546302556340 |
oct | 2767614061565 |
9 | 647246758633 |
10 | 205054305141 |
11 | 79a6589a494 |
12 | 338a8331a19 |
13 | 1644b4b288a |
14 | 9cd347b457 |
15 | 5502056246 |
hex | 2fbe306375 |
205054305141 has 16 divisors (see below), whose sum is σ = 312841557504. Its totient is φ = 117032193264.
The previous prime is 205054305121. The next prime is 205054305149. The reversal of 205054305141 is 141503450502.
It is not a de Polignac number, because 205054305141 - 221 = 205052207989 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 205054305099 and 205054305108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205054305149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5886195 + ... + 5920928.
It is an arithmetic number, because the mean of its divisors is an integer number (19552597344).
Almost surely, 2205054305141 is an apocalyptic number.
205054305141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
205054305141 is a deficient number, since it is larger than the sum of its proper divisors (107787252363).
205054305141 is a wasteful number, since it uses less digits than its factorization.
205054305141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11807960.
The product of its (nonzero) digits is 12000, while the sum is 30.
Adding to 205054305141 its reverse (141503450502), we get a palindrome (346557755643).
The spelling of 205054305141 in words is "two hundred five billion, fifty-four million, three hundred five thousand, one hundred forty-one".
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