Base | Representation |
---|---|
bin | 1010001010111000… |
… | …0111111011011011 |
3 | 21001020222101002111 |
4 | 2202232013323123 |
5 | 21042340000331 |
6 | 1130521213151 |
7 | 124436421640 |
oct | 24256077333 |
9 | 7036871074 |
10 | 2730000091 |
11 | 1181017525 |
12 | 6423311b7 |
13 | 34678b790 |
14 | 1bc801dc7 |
15 | 10ea0ddb1 |
hex | a2b87edb |
2730000091 has 8 divisors (see below), whose sum is σ = 3360000224. Its totient is φ = 2160000000.
The previous prime is 2730000083. The next prime is 2730000113. The reversal of 2730000091 is 1900000372.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a 10-Lehmer number, since φ(2730000091) divides (2730000091-1)10.
It is a cyclic number.
It is not a de Polignac number, because 2730000091 - 23 = 2730000083 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2730000011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14999910 + ... + 15000091.
It is an arithmetic number, because the mean of its divisors is an integer number (420000028).
Almost surely, 22730000091 is an apocalyptic number.
2730000091 is a deficient number, since it is larger than the sum of its proper divisors (630000133).
2730000091 is a wasteful number, since it uses less digits than its factorization.
2730000091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30000021.
The product of its (nonzero) digits is 378, while the sum is 22.
The square root of 2730000091 is about 52249.4027812759. The cubic root of 2730000091 is about 1397.6150023927.
The spelling of 2730000091 in words is "two billion, seven hundred thirty million, ninety-one", and thus it is an aban number.
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