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2027108891 is a prime number
BaseRepresentation
bin111100011010011…
…0011101000011011
312020021100210122002
41320310303220123
513122414441031
6533051551215
7101143066313
oct17064635033
95207323562
102027108891
11950282a05
12486a5b50b
13263c79422
14153314443
15bce69ccb
hex78d33a1b

2027108891 has 2 divisors, whose sum is σ = 2027108892. Its totient is φ = 2027108890.

The previous prime is 2027108869. The next prime is 2027108911. The reversal of 2027108891 is 1988017202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2027108891 - 26 = 2027108827 is a prime.

It is not a weakly prime, because it can be changed into another prime (2027108801) 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 as a sum of consecutive naturals, namely, 1013554445 + 1013554446.

It is an arithmetic number, because the mean of its divisors is an integer number (1013554446).

Almost surely, 22027108891 is an apocalyptic number.

2027108891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2027108891 is an equidigital number, since it uses as much as digits as its factorization.

2027108891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 38.

The square root of 2027108891 is about 45023.4260246819. The cubic root of 2027108891 is about 1265.5880326314.

The spelling of 2027108891 in words is "two billion, twenty-seven million, one hundred eight thousand, eight hundred ninety-one".