Base | Representation |
---|---|
bin | 10101101111011011011111… |
… | …10010100001001111011101 |
3 | 20021021111210022120102021112 |
4 | 22313231233302201033131 |
5 | 22231301123030023414 |
6 | 245403120121311405 |
7 | 13033045316002604 |
oct | 1267555762411735 |
9 | 207244708512245 |
10 | 47809156486109 |
11 | 142628274aa6a7 |
12 | 5441899935565 |
13 | 208a4cbb7cc75 |
14 | bb3d92b84a3b |
15 | 57d95c4ead3e |
hex | 2b7b6fca13dd |
47809156486109 has 8 divisors (see below), whose sum is σ = 47858554088640. Its totient is φ = 47759759832256.
The previous prime is 47809156486099. The next prime is 47809156486129. The reversal of 47809156486109 is 90168465190874.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47809156486109 - 212 = 47809156482013 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 (47809156486129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148850642 + ... + 149171484.
It is an arithmetic number, because the mean of its divisors is an integer number (5982319261080).
Almost surely, 247809156486109 is an apocalyptic number.
It is an amenable number.
47809156486109 is a deficient number, since it is larger than the sum of its proper divisors (49397602531).
47809156486109 is a wasteful number, since it uses less digits than its factorization.
47809156486109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 474339.
The product of its (nonzero) digits is 104509440, while the sum is 68.
The spelling of 47809156486109 in words is "forty-seven trillion, eight hundred nine billion, one hundred fifty-six million, four hundred eighty-six thousand, one hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •