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2086082081 is a prime number
BaseRepresentation
bin111110001010111…
…0001011000100001
312101101022221122022
41330111301120201
513233014111311
6542555551225
7102460255646
oct17425613041
95341287568
102086082081
119805a2386
124a275b515
13273256bc5
1415b0a5dcd
15c32185db
hex7c571621

2086082081 has 2 divisors, whose sum is σ = 2086082082. Its totient is φ = 2086082080.

The previous prime is 2086082059. The next prime is 2086082111. The reversal of 2086082081 is 1802806802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1943399056 + 142683025 = 44084^2 + 11945^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086082081 - 230 = 1012340257 is a prime.

It is a super-2 number, since 2×20860820812 = 8703476897338581122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2086082041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043041040 + 1043041041.

It is an arithmetic number, because the mean of its divisors is an integer number (1043041041).

Almost surely, 22086082081 is an apocalyptic number.

It is an amenable number.

2086082081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086082081 is an equidigital number, since it uses as much as digits as its factorization.

2086082081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 2086082081 is about 45673.6475552369. The cubic root of 2086082081 is about 1277.7438448033.

Adding to 2086082081 its reverse (1802806802), we get a palindrome (3888888883).

The spelling of 2086082081 in words is "two billion, eighty-six million, eighty-two thousand, eighty-one".