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42017181743 is a prime number
BaseRepresentation
bin100111001000011010…
…110101000000101111
311000110020201222122102
4213020122311000233
51142022344303433
631145154005315
73015140103065
oct471032650057
9130406658572
1042017181743
1116901670599
12818757683b
133c67c64324
14206845a035
15115db404e8
hex9c86b502f

42017181743 has 2 divisors, whose sum is σ = 42017181744. Its totient is φ = 42017181742.

The previous prime is 42017181733. The next prime is 42017181763. The reversal of 42017181743 is 34718171024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42017181743 - 212 = 42017177647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42017181697 and 42017181706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42017181733) 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, 21008590871 + 21008590872.

It is an arithmetic number, because the mean of its divisors is an integer number (21008590872).

Almost surely, 242017181743 is an apocalyptic number.

42017181743 is a deficient number, since it is larger than the sum of its proper divisors (1).

42017181743 is an equidigital number, since it uses as much as digits as its factorization.

42017181743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 42017181743 in words is "forty-two billion, seventeen million, one hundred eighty-one thousand, seven hundred forty-three".