Base | Representation |
---|---|
bin | 1111001111011011… |
… | …1111101011010000 |
3 | 101120010110120011212 |
4 | 3303312333223100 |
5 | 31334331430310 |
6 | 1513550155252 |
7 | 203246210156 |
oct | 36366775320 |
9 | 11503416155 |
10 | 4091280080 |
11 | 180a46a308 |
12 | 9621b2b28 |
13 | 5028011b4 |
14 | 2ab5153d6 |
15 | 18e2a6205 |
hex | f3dbfad0 |
4091280080 has 40 divisors (see below), whose sum is σ = 9526914792. Its totient is φ = 1633985024.
The previous prime is 4091280077. The next prime is 4091280119. The reversal of 4091280080 is 800821904.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 138391696 + 3952888384 = 11764^2 + 62872^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13082 + ... + 91398.
Almost surely, 24091280080 is an apocalyptic number.
4091280080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
4091280080 is an abundant number, since it is smaller than the sum of its proper divisors (5435634712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4091280080 is a wasteful number, since it uses less digits than its factorization.
4091280080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78983 (or 78977 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 32.
The square root of 4091280080 is about 63963.1149960663. The cubic root of 4091280080 is about 1599.3851908697.
The spelling of 4091280080 in words is "four billion, ninety-one million, two hundred eighty thousand, eighty".
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