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2180741089 is a prime number
BaseRepresentation
bin1000000111111011…
…0111011111100001
312121222110010101111
42001332313133201
513431232203324
61000220503321
7105016664512
oct20176673741
95558403344
102180741089
11a19a7606a
1250a3aab41
13289a4a657
141698a6a09
15cb6b5794
hex81fb77e1

2180741089 has 2 divisors, whose sum is σ = 2180741090. Its totient is φ = 2180741088.

The previous prime is 2180741077. The next prime is 2180741111. The reversal of 2180741089 is 9801470812.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1833552400 + 347188689 = 42820^2 + 18633^2 .

It is a cyclic number.

It is not a de Polignac number, because 2180741089 - 217 = 2180610017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2180744089) 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 as a sum of consecutive naturals, namely, 1090370544 + 1090370545.

It is an arithmetic number, because the mean of its divisors is an integer number (1090370545).

Almost surely, 22180741089 is an apocalyptic number.

It is an amenable number.

2180741089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2180741089 is an equidigital number, since it uses as much as digits as its factorization.

2180741089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 2180741089 is about 46698.4056365953. The cubic root of 2180741089 is about 1296.7851706563.

The spelling of 2180741089 in words is "two billion, one hundred eighty million, seven hundred forty-one thousand, eighty-nine".