Base | Representation |
---|---|
bin | 1111011110100011… |
… | …11011011111111111 |
3 | 210110002122101012022 |
4 | 13233101323133333 |
5 | 114004203001304 |
6 | 3452311430355 |
7 | 412625631230 |
oct | 75721733777 |
9 | 23402571168 |
10 | 8309422079 |
11 | 35844a7882 |
12 | 173a9853bb |
13 | a2568c6ca |
14 | 58b811087 |
15 | 33976aebe |
hex | 1ef47b7ff |
8309422079 has 8 divisors (see below), whose sum is σ = 9503139360. Its totient is φ = 7117369056.
The previous prime is 8309422073. The next prime is 8309422109. The reversal of 8309422079 is 9702249038.
8309422079 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-8309422079 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 (8309422073) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405344 + ... + 425349.
It is an arithmetic number, because the mean of its divisors is an integer number (1187892420).
Almost surely, 28309422079 is an apocalyptic number.
8309422079 is a deficient number, since it is larger than the sum of its proper divisors (1193717281).
8309422079 is a wasteful number, since it uses less digits than its factorization.
8309422079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 832129.
The product of its (nonzero) digits is 217728, while the sum is 44.
The square root of 8309422079 is about 91156.0315009380. The cubic root of 8309422079 is about 2025.4596998514.
The spelling of 8309422079 in words is "eight billion, three hundred nine million, four hundred twenty-two thousand, seventy-nine".
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