Base | Representation |
---|---|
bin | 1111010001001101… |
… | …01010001111101000 |
3 | 210011021212212121202 |
4 | 13220212222033220 |
5 | 113242014302122 |
6 | 3433231023332 |
7 | 410065612520 |
oct | 75046521750 |
9 | 23137785552 |
10 | 8197415912 |
11 | 35272559a4 |
12 | 170936ab48 |
13 | a0840417a |
14 | 57a9b6680 |
15 | 32e9e3e92 |
hex | 1e89aa3e8 |
8197415912 has 32 divisors (see below), whose sum is σ = 18599181120. Its totient is φ = 3306520320.
The previous prime is 8197415869. The next prime is 8197415921. The reversal of 8197415912 is 2195147918.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 4304414 + ... + 4306317.
It is an arithmetic number, because the mean of its divisors is an integer number (581224410).
Almost surely, 28197415912 is an apocalyptic number.
It is an amenable number.
8197415912 is an abundant number, since it is smaller than the sum of its proper divisors (10401765208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8197415912 is a wasteful number, since it uses less digits than its factorization.
8197415912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8610761 (or 8610757 counting only the distinct ones).
The product of its digits is 181440, while the sum is 47.
The square root of 8197415912 is about 90539.5820180323. The cubic root of 8197415912 is about 2016.3178281610.
The spelling of 8197415912 in words is "eight billion, one hundred ninety-seven million, four hundred fifteen thousand, nine hundred twelve".
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