Base | Representation |
---|---|
bin | 1111001011011100… |
… | …01011100101100100 |
3 | 210000220212221002010 |
4 | 13211232023211210 |
5 | 113142124241334 |
6 | 3424342314220 |
7 | 405640555206 |
oct | 74556134544 |
9 | 23026787063 |
10 | 8149055844 |
11 | 3501a252a6 |
12 | 16b5128970 |
13 | 9cb3a1347 |
14 | 5743c8776 |
15 | 32a6400e9 |
hex | 1e5b8b964 |
8149055844 has 48 divisors (see below), whose sum is σ = 20022759680. Its totient is φ = 2572417440.
The previous prime is 8149055843. The next prime is 8149055851. The reversal of 8149055844 is 4485509418.
It is a super-2 number, since 2×81490558442 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 8149055793 and 8149055802.
It is not an unprimeable number, because it can be changed into a prime (8149055843) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825699 + ... + 835509.
Almost surely, 28149055844 is an apocalyptic number.
It is an amenable number.
8149055844 is an abundant number, since it is smaller than the sum of its proper divisors (11873703836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8149055844 is a wasteful number, since it uses less digits than its factorization.
8149055844 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13480 (or 13478 counting only the distinct ones).
The product of its (nonzero) digits is 921600, while the sum is 48.
The square root of 8149055844 is about 90272.1210784371. The cubic root of 8149055844 is about 2012.3449644802.
The spelling of 8149055844 in words is "eight billion, one hundred forty-nine million, fifty-five thousand, eight hundred forty-four".
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