Base | Representation |
---|---|
bin | 100111111100000001… |
… | …010010001010100111 |
3 | 11002200120202001201112 |
4 | 213330001102022213 |
5 | 1200311010310042 |
6 | 31411121215235 |
7 | 3045451432646 |
oct | 477401221247 |
9 | 132616661645 |
10 | 42882900647 |
11 | 17206308a64 |
12 | 838949151b |
13 | 4075417232 |
14 | 210b41135d |
15 | 11aeb49982 |
hex | 9fc0522a7 |
42882900647 has 4 divisors (see below), whose sum is σ = 42905724720. Its totient is φ = 42860076576.
The previous prime is 42882900629. The next prime is 42882900653. The reversal of 42882900647 is 74600928824.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42882900647 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 42882900595 and 42882900604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42882900607) by changing a digit.
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, 11409218 + ... + 11412975.
It is an arithmetic number, because the mean of its divisors is an integer number (10726431180).
Almost surely, 242882900647 is an apocalyptic number.
42882900647 is a deficient number, since it is larger than the sum of its proper divisors (22824073).
42882900647 is a wasteful number, since it uses less digits than its factorization.
42882900647 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22824072.
The product of its (nonzero) digits is 1548288, while the sum is 50.
The spelling of 42882900647 in words is "forty-two billion, eight hundred eighty-two million, nine hundred thousand, six hundred forty-seven".
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