Base | Representation |
---|---|
bin | 10010011000110010… |
… | …010010110100010000 |
3 | 1212221221021222112221 |
4 | 102120302102310100 |
5 | 310413224042123 |
6 | 13023033030424 |
7 | 1266153230353 |
oct | 223062226420 |
9 | 55857258487 |
10 | 19743190288 |
11 | 8411575098 |
12 | 39abb55414 |
13 | 1b2841c823 |
14 | d5415629a |
15 | 7a843e25d |
hex | 498c92d10 |
19743190288 has 20 divisors (see below), whose sum is σ = 38321124300. Its totient is φ = 9853867904.
The previous prime is 19743190283. The next prime is 19743190289. The reversal of 19743190288 is 88209134791.
It can be written as a sum of positive squares in 2 ways, for example, as 1666925584 + 18076264704 = 40828^2 + 134448^2 .
It is not an unprimeable number, because it can be changed into a prime (19743190283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098763 + ... + 1116586.
It is an arithmetic number, because the mean of its divisors is an integer number (1916056215).
Almost surely, 219743190288 is an apocalyptic number.
It is an amenable number.
19743190288 is a deficient number, since it is larger than the sum of its proper divisors (18577934012).
19743190288 is a wasteful number, since it uses less digits than its factorization.
19743190288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2215914 (or 2215908 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 52.
The spelling of 19743190288 in words is "nineteen billion, seven hundred forty-three million, one hundred ninety thousand, two hundred eighty-eight".
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