Base | Representation |
---|---|
bin | 1111001011011011… |
… | …11110111000101011 |
3 | 210000220210021201021 |
4 | 13211231332320223 |
5 | 113142121110234 |
6 | 3424341233311 |
7 | 405640250425 |
oct | 74555767053 |
9 | 23026707637 |
10 | 8149003819 |
11 | 350199a200 |
12 | 16b5102837 |
13 | 9cb383768 |
14 | 5743b3815 |
15 | 32a62e9b4 |
hex | 1e5b7ee2b |
8149003819 has 12 divisors (see below), whose sum is σ = 9007233480. Its totient is φ = 7366779200.
The previous prime is 8149003801. The next prime is 8149003823. The reversal of 8149003819 is 9183009418.
It is not a de Polignac number, because 8149003819 - 25 = 8149003787 is a prime.
It is a super-2 number, since 2×81490038192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8149003859) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166462 + ... + 209779.
It is an arithmetic number, because the mean of its divisors is an integer number (750602790).
Almost surely, 28149003819 is an apocalyptic number.
8149003819 is a deficient number, since it is larger than the sum of its proper divisors (858229661).
8149003819 is a wasteful number, since it uses less digits than its factorization.
8149003819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 376442 (or 376431 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 43.
The square root of 8149003819 is about 90271.8329214601. The cubic root of 8149003819 is about 2012.3406820835.
The spelling of 8149003819 in words is "eight billion, one hundred forty-nine million, three thousand, eight hundred nineteen".
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