Base | Representation |
---|---|
bin | 10000101001111001… |
… | …10011100011101001 |
3 | 212002010212010121122 |
4 | 20110330303203221 |
5 | 121303000344404 |
6 | 4035125345025 |
7 | 434401543115 |
oct | 102474634351 |
9 | 25063763548 |
10 | 8941418729 |
11 | 387921a261 |
12 | 1896568175 |
13 | ac65ac019 |
14 | 60b726745 |
15 | 374ea93be |
hex | 214f338e9 |
8941418729 has 4 divisors (see below), whose sum is σ = 8969985876. Its totient is φ = 8912851584.
The previous prime is 8941418723. The next prime is 8941418743. The reversal of 8941418729 is 9278141498.
8941418729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 908419600 + 8032999129 = 30140^2 + 89627^2 .
It is a cyclic number.
It is not a de Polignac number, because 8941418729 - 216 = 8941353193 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8941418723) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 14283104 + ... + 14283729.
It is an arithmetic number, because the mean of its divisors is an integer number (2242496469).
Almost surely, 28941418729 is an apocalyptic number.
It is an amenable number.
8941418729 is a deficient number, since it is larger than the sum of its proper divisors (28567147).
8941418729 is a wasteful number, since it uses less digits than its factorization.
8941418729 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28567146.
The product of its digits is 1161216, while the sum is 53.
The square root of 8941418729 is about 94559.0753391762. The cubic root of 8941418729 is about 2075.5608860875.
The spelling of 8941418729 in words is "eight billion, nine hundred forty-one million, four hundred eighteen thousand, seven hundred twenty-nine".
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