Base | Representation |
---|---|
bin | 10000101000010100… |
… | …11101100000001000 |
3 | 212001020000121222222 |
4 | 20110022131200020 |
5 | 121241111034232 |
6 | 4033534433212 |
7 | 434151425252 |
oct | 102412354010 |
9 | 25036017888 |
10 | 8928221192 |
11 | 3871825800 |
12 | 1892062808 |
13 | ac393ac27 |
14 | 609a8ccd2 |
15 | 373c4dd12 |
hex | 21429d808 |
8928221192 has 36 divisors (see below), whose sum is σ = 18406681965. Its totient is φ = 4056946080.
The previous prime is 8928221179. The next prime is 8928221219. The reversal of 8928221192 is 2911228298.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 7678315876 + 1249905316 = 87626^2 + 35354^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=66814.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2938298 + ... + 2941334.
Almost surely, 28928221192 is an apocalyptic number.
It is an amenable number.
8928221192 is an abundant number, since it is smaller than the sum of its proper divisors (9478460773).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8928221192 is an equidigital number, since it uses as much as digits as its factorization.
8928221192 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6102 (or 3050 counting only the distinct ones).
The product of its digits is 82944, while the sum is 44.
The square root of 8928221192 is about 94489.2649563960. The cubic root of 8928221192 is about 2074.5392070716.
The spelling of 8928221192 in words is "eight billion, nine hundred twenty-eight million, two hundred twenty-one thousand, one hundred ninety-two".
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