Base | Representation |
---|---|
bin | 1111001010001110… |
… | …00100110011000111 |
3 | 210000012121002202212 |
4 | 13211013010303013 |
5 | 113132013220143 |
6 | 3423334454035 |
7 | 405454460531 |
oct | 74507046307 |
9 | 23005532685 |
10 | 8138804423 |
11 | 34a7163252 |
12 | 16b180431b |
13 | 9c9222209 |
14 | 572cba851 |
15 | 3297b7918 |
hex | 1e51c4cc7 |
8138804423 has 8 divisors (see below), whose sum is σ = 8185402896. Its totient is φ = 8092339200.
The previous prime is 8138804411. The next prime is 8138804461. The reversal of 8138804423 is 3244088318.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8138804423 - 24 = 8138804407 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8138804473) 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 7 ways as a sum of consecutive naturals, for example, 90503 + ... + 156423.
It is an arithmetic number, because the mean of its divisors is an integer number (1023175362).
Almost surely, 28138804423 is an apocalyptic number.
8138804423 is a deficient number, since it is larger than the sum of its proper divisors (46598473).
8138804423 is a wasteful number, since it uses less digits than its factorization.
8138804423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66625.
The product of its (nonzero) digits is 147456, while the sum is 41.
The square root of 8138804423 is about 90215.3225511055. The cubic root of 8138804423 is about 2011.5007745769.
The spelling of 8138804423 in words is "eight billion, one hundred thirty-eight million, eight hundred four thousand, four hundred twenty-three".
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