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2243132987 is a prime number
BaseRepresentation
bin1000010110110011…
…0111111000111011
312210022211221222112
42011230313320323
514043220223422
61010330042535
7106405213214
oct20554677073
95708757875
102243132987
11a51210017
1252727944b
13299954234
14173ca840b
15d1ddbee2
hex85b37e3b

2243132987 has 2 divisors, whose sum is σ = 2243132988. Its totient is φ = 2243132986.

The previous prime is 2243132971. The next prime is 2243133007. The reversal of 2243132987 is 7892313422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2243132987 - 24 = 2243132971 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243132587) 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, 1121566493 + 1121566494.

It is an arithmetic number, because the mean of its divisors is an integer number (1121566494).

Almost surely, 22243132987 is an apocalyptic number.

2243132987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243132987 is an equidigital number, since it uses as much as digits as its factorization.

2243132987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 2243132987 is about 47361.7249158009. The cubic root of 2243132987 is about 1309.0362522917.

The spelling of 2243132987 in words is "two billion, two hundred forty-three million, one hundred thirty-two thousand, nine hundred eighty-seven".