Base | Representation |
---|---|
bin | 10001111101011101… |
… | …011110100000000100 |
3 | 1211202222122201100202 |
4 | 101331131132200010 |
5 | 303443343421132 |
6 | 12505335030032 |
7 | 1251615440645 |
oct | 217535364004 |
9 | 54688581322 |
10 | 19284748292 |
11 | 81a6812907 |
12 | 38a250b318 |
13 | 1a84458484 |
14 | d0d2db6cc |
15 | 77d084762 |
hex | 47d75e804 |
19284748292 has 12 divisors (see below), whose sum is σ = 33749308236. Its totient is φ = 9642088800.
The previous prime is 19284748277. The next prime is 19284748331. The reversal of 19284748292 is 29284748291.
It can be written as a sum of positive squares in 2 ways, for example, as 14538089476 + 4746658816 = 120574^2 + 68896^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176042 + ... + 263742.
It is an arithmetic number, because the mean of its divisors is an integer number (2812442353).
Almost surely, 219284748292 is an apocalyptic number.
It is an amenable number.
19284748292 is a deficient number, since it is larger than the sum of its proper divisors (14464559944).
19284748292 is a wasteful number, since it uses less digits than its factorization.
19284748292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142678 (or 142676 counting only the distinct ones).
The product of its digits is 4644864, while the sum is 56.
Subtracting 19284748292 from its reverse (29284748291), we obtain a palindrome (9999999999).
The spelling of 19284748292 in words is "nineteen billion, two hundred eighty-four million, seven hundred forty-eight thousand, two hundred ninety-two".
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