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42741582071 is a prime number
BaseRepresentation
bin100111110011100110…
…001100100011110111
311002022201211100002012
4213303212030203313
51200013321111241
631345112234435
73042114311306
oct476346144367
9132281740065
1042741582071
1117143566251
12834a09ba1b
134052067986
1420d674643d
1511a25326eb
hex9f398c8f7

42741582071 has 2 divisors, whose sum is σ = 42741582072. Its totient is φ = 42741582070.

The previous prime is 42741582067. The next prime is 42741582073. The reversal of 42741582071 is 17028514724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42741582071 - 22 = 42741582067 is a prime.

Together with 42741582073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42741582073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21370791035 + 21370791036.

It is an arithmetic number, because the mean of its divisors is an integer number (21370791036).

Almost surely, 242741582071 is an apocalyptic number.

42741582071 is a deficient number, since it is larger than the sum of its proper divisors (1).

42741582071 is an equidigital number, since it uses as much as digits as its factorization.

42741582071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125440, while the sum is 41.

The spelling of 42741582071 in words is "forty-two billion, seven hundred forty-one million, five hundred eighty-two thousand, seventy-one".