Base | Representation |
---|---|
bin | 111110001001111… |
… | …1011001110000001 |
3 | 12101100102100201101 |
4 | 1330103323032001 |
5 | 13232403114311 |
6 | 542541334401 |
7 | 102453201610 |
oct | 17423731601 |
9 | 5340370641 |
10 | 2085598081 |
11 | 9802a1786 |
12 | 4a2567401 |
13 | 273117808 |
14 | 15adbb877 |
15 | c316eec1 |
hex | 7c4fb381 |
2085598081 has 8 divisors (see below), whose sum is σ = 2385477440. Its totient is φ = 1786202928.
The previous prime is 2085598057. The next prime is 2085598103. The reversal of 2085598081 is 1808955802.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2085598081 - 27 = 2085597953 is a prime.
It is a super-2 number, since 2×20855980812 = 8699438710941765122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2085598001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111771 + ... + 129088.
It is an arithmetic number, because the mean of its divisors is an integer number (298184680).
Almost surely, 22085598081 is an apocalyptic number.
It is an amenable number.
2085598081 is a deficient number, since it is larger than the sum of its proper divisors (299879359).
2085598081 is a wasteful number, since it uses less digits than its factorization.
2085598081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 242103.
The product of its (nonzero) digits is 230400, while the sum is 46.
The square root of 2085598081 is about 45668.3487877545. The cubic root of 2085598081 is about 1277.6450190571.
The spelling of 2085598081 in words is "two billion, eighty-five million, five hundred ninety-eight thousand, eighty-one".
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