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42846826581817 is a prime number
BaseRepresentation
bin10011011111000000011011…
…11000001100111100111001
312121201010011000101102112021
421233200031320030330321
521104000300101104232
6231043321013514441
712011403206530366
oct1157401570147471
9177633130342467
1042846826581817
111271a267655645
124980003642a21
131aba59125587b
14a81b2439546d
154e4826e84397
hex26f80de0cf39

42846826581817 has 2 divisors, whose sum is σ = 42846826581818. Its totient is φ = 42846826581816.

The previous prime is 42846826581809. The next prime is 42846826581917. The reversal of 42846826581817 is 71818562864824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31111138885696 + 11735687696121 = 5577736^2 + 3425739^2 .

It is a cyclic number.

It is not a de Polignac number, because 42846826581817 - 23 = 42846826581809 is a prime.

It is not a weakly prime, because it can be changed into another prime (42846826581917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21423413290908 + 21423413290909.

It is an arithmetic number, because the mean of its divisors is an integer number (21423413290909).

Almost surely, 242846826581817 is an apocalyptic number.

It is an amenable number.

42846826581817 is a deficient number, since it is larger than the sum of its proper divisors (1).

42846826581817 is an equidigital number, since it uses as much as digits as its factorization.

42846826581817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 330301440, while the sum is 70.

The spelling of 42846826581817 in words is "forty-two trillion, eight hundred forty-six billion, eight hundred twenty-six million, five hundred eighty-one thousand, eight hundred seventeen".