Base | Representation |
---|---|
bin | 1110111101010011… |
… | …11011010011010001 |
3 | 202201122210200002202 |
4 | 13132221323103101 |
5 | 112421302000144 |
6 | 3404505252545 |
7 | 403001060405 |
oct | 73651732321 |
9 | 22648720082 |
10 | 8030500049 |
11 | 345100a600 |
12 | 1681494155 |
13 | 9ac9618a0 |
14 | 562767105 |
15 | 32002264e |
hex | 1dea7b4d1 |
8030500049 has 24 divisors (see below), whose sum is σ = 9534743400. Its totient is φ = 6718440960.
The previous prime is 8030500031. The next prime is 8030500061. The reversal of 8030500049 is 9400050308.
It can be written as a sum of positive squares in 4 ways, for example, as 263250625 + 7767249424 = 16225^2 + 88132^2 .
It is not a de Polignac number, because 8030500049 - 28 = 8030499793 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 8030499994 and 8030500030.
It is not an unprimeable number, because it can be changed into a prime (8030500099) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 522527 + ... + 537675.
It is an arithmetic number, because the mean of its divisors is an integer number (397280975).
Almost surely, 28030500049 is an apocalyptic number.
It is an amenable number.
8030500049 is a deficient number, since it is larger than the sum of its proper divisors (1504243351).
8030500049 is a wasteful number, since it uses less digits than its factorization.
8030500049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15521 (or 15510 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 29.
The square root of 8030500049 is about 89613.0573577311. The cubic root of 8030500049 is about 2002.5384475290.
The spelling of 8030500049 in words is "eight billion, thirty million, five hundred thousand, forty-nine".
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