Base | Representation |
---|---|
bin | 1111010000001000… |
… | …00011001101011000 |
3 | 210010122210221002201 |
4 | 13220010003031120 |
5 | 113232203440003 |
6 | 3432304335544 |
7 | 406625524330 |
oct | 75004031530 |
9 | 23118727081 |
10 | 8188343128 |
11 | 3522119429 |
12 | 17063145b4 |
13 | a06578664 |
14 | 5796d40c0 |
15 | 32dd00b1d |
hex | 1e8103358 |
8188343128 has 32 divisors (see below), whose sum is σ = 17573398560. Its totient is φ = 3503900160.
The previous prime is 8188343117. The next prime is 8188343129. The reversal of 8188343128 is 8213438818.
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8188343129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75393 + ... + 148528.
It is an arithmetic number, because the mean of its divisors is an integer number (549168705).
Almost surely, 28188343128 is an apocalyptic number.
It is an amenable number.
8188343128 is an abundant number, since it is smaller than the sum of its proper divisors (9385055432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8188343128 is a wasteful number, since it uses less digits than its factorization.
8188343128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224587 (or 224583 counting only the distinct ones).
The product of its digits is 294912, while the sum is 46.
The square root of 8188343128 is about 90489.4641823014. The cubic root of 8188343128 is about 2015.5736762023.
The spelling of 8188343128 in words is "eight billion, one hundred eighty-eight million, three hundred forty-three thousand, one hundred twenty-eight".
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