Base | Representation |
---|---|
bin | 111110000001010… |
… | …0101001000110001 |
3 | 12101000212100112211 |
4 | 1330002211020301 |
5 | 13230222114220 |
6 | 542300052121 |
7 | 102366433423 |
oct | 17402451061 |
9 | 5330770484 |
10 | 2081051185 |
11 | 978776614 |
12 | 4a0b34041 |
13 | 2721b5045 |
14 | 15a556813 |
15 | c2a72b5a |
hex | 7c0a5231 |
2081051185 has 8 divisors (see below), whose sum is σ = 2497556736. Its totient is φ = 1664644080.
The previous prime is 2081051143. The next prime is 2081051221. The reversal of 2081051185 is 5811501802.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2081051185 - 227 = 1946833457 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35050 + ... + 73420.
It is an arithmetic number, because the mean of its divisors is an integer number (312194592).
Almost surely, 22081051185 is an apocalyptic number.
It is an amenable number.
2081051185 is a deficient number, since it is larger than the sum of its proper divisors (416505551).
2081051185 is a wasteful number, since it uses less digits than its factorization.
2081051185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49223.
The product of its (nonzero) digits is 3200, while the sum is 31.
The square root of 2081051185 is about 45618.5399262186. The cubic root of 2081051185 is about 1276.7158617872.
Adding to 2081051185 its reverse (5811501802), we get a palindrome (7892552987).
The spelling of 2081051185 in words is "two billion, eighty-one million, fifty-one thousand, one hundred eighty-five".
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