Base | Representation |
---|---|
bin | 1111010011110010… |
… | …00110100110110110 |
3 | 210012210112212200112 |
4 | 13221321012212312 |
5 | 113313032343034 |
6 | 3435322143022 |
7 | 410450404310 |
oct | 75171064666 |
9 | 23183485615 |
10 | 8219027894 |
11 | 3538477340 |
12 | 1714651a72 |
13 | a0ca3021c |
14 | 57d8007b0 |
15 | 3318627ce |
hex | 1e9e469b6 |
8219027894 has 32 divisors (see below), whose sum is σ = 15660677376. Its totient is φ = 3141796320.
The previous prime is 8219027867. The next prime is 8219027911. The reversal of 8219027894 is 4987209128.
It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495332 + ... + 511655.
It is an arithmetic number, because the mean of its divisors is an integer number (489396168).
Almost surely, 28219027894 is an apocalyptic number.
8219027894 is a deficient number, since it is larger than the sum of its proper divisors (7441649482).
8219027894 is a wasteful number, since it uses less digits than its factorization.
8219027894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1007060.
The product of its (nonzero) digits is 580608, while the sum is 50.
The square root of 8219027894 is about 90658.8544710333. The cubic root of 8219027894 is about 2018.0882391203.
The spelling of 8219027894 in words is "eight billion, two hundred nineteen million, twenty-seven thousand, eight hundred ninety-four".
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