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132221987 is a prime number
BaseRepresentation
bin1111110000110…
…00110000100011
3100012210120110122
413320120300203
5232322100422
621041550455
73163603562
oct770306043
9305716418
10132221987
11686aa377
123834542b
1321515c81
14137bbbd9
15b91bd42
hex7e18c23

132221987 has 2 divisors, whose sum is σ = 132221988. Its totient is φ = 132221986.

The previous prime is 132221983. The next prime is 132221989. The reversal of 132221987 is 789122231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 132221987 - 22 = 132221983 is a prime.

Together with 132221989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (132221981) by changing a digit.

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 as a sum of consecutive naturals, namely, 66110993 + 66110994.

It is an arithmetic number, because the mean of its divisors is an integer number (66110994).

Almost surely, 2132221987 is an apocalyptic number.

132221987 is a deficient number, since it is larger than the sum of its proper divisors (1).

132221987 is an equidigital number, since it uses as much as digits as its factorization.

132221987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 132221987 is about 11498.7819789750. The cubic root of 132221987 is about 509.4496010124.

The spelling of 132221987 in words is "one hundred thirty-two million, two hundred twenty-one thousand, nine hundred eighty-seven".