Base | Representation |
---|---|
bin | 100111110110000011… |
… | …000110110000001101 |
3 | 11002102121020002201001 |
4 | 213312003012300031 |
5 | 1200104333334033 |
6 | 31353142020301 |
7 | 3043124035132 |
oct | 476603066015 |
9 | 132377202631 |
10 | 42782714893 |
11 | 171647aaa16 |
12 | 835ba17691 |
13 | 405a73a019 |
14 | 20dbdb2589 |
15 | 11a5e59e7d |
hex | 9f60c6c0d |
42782714893 has 4 divisors (see below), whose sum is σ = 42933890848. Its totient is φ = 42631538940.
The previous prime is 42782714873. The next prime is 42782714911. The reversal of 42782714893 is 39841728724.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-42782714893 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42782714833) 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, 75587553 + ... + 75588118.
It is an arithmetic number, because the mean of its divisors is an integer number (10733472712).
Almost surely, 242782714893 is an apocalyptic number.
It is an amenable number.
42782714893 is a deficient number, since it is larger than the sum of its proper divisors (151175955).
42782714893 is a wasteful number, since it uses less digits than its factorization.
42782714893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151175954.
The product of its digits is 5419008, while the sum is 55.
The spelling of 42782714893 in words is "forty-two billion, seven hundred eighty-two million, seven hundred fourteen thousand, eight hundred ninety-three".
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