Base | Representation |
---|---|
bin | 11111001010100000… |
… | …11110101001101101 |
3 | 1121012000201020101211 |
4 | 33211100132221231 |
5 | 233231142013310 |
6 | 11404115434421 |
7 | 1131420614002 |
oct | 174520365155 |
9 | 47160636354 |
10 | 16731204205 |
11 | 71063683a1 |
12 | 32ab2b5a11 |
13 | 17683cc741 |
14 | b4a10d8a9 |
15 | 67dccdc8a |
hex | 3e541ea6d |
16731204205 has 32 divisors (see below), whose sum is σ = 21430886400. Its totient is φ = 12502900800.
The previous prime is 16731204179. The next prime is 16731204209. The reversal of 16731204205 is 50240213761.
It is not a de Polignac number, because 16731204205 - 227 = 16596986477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16731204209) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 9237750 + ... + 9239560.
It is an arithmetic number, because the mean of its divisors is an integer number (669715200).
Almost surely, 216731204205 is an apocalyptic number.
It is an amenable number.
16731204205 is a deficient number, since it is larger than the sum of its proper divisors (4699682195).
16731204205 is a wasteful number, since it uses less digits than its factorization.
16731204205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3145.
The product of its (nonzero) digits is 10080, while the sum is 31.
Adding to 16731204205 its reverse (50240213761), we get a palindrome (66971417966).
The spelling of 16731204205 in words is "sixteen billion, seven hundred thirty-one million, two hundred four thousand, two hundred five".
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