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42082359481 is a prime number
BaseRepresentation
bin100111001100010011…
…011101100010111001
311000121210101100200201
4213030103131202321
51142141041000411
631155443002201
73016561103461
oct471423354271
9130553340621
1042082359481
1116935438598
1281a5369361
133c78604c36
142072d84ba1
1511647173c1
hex9cc4dd8b9

42082359481 has 2 divisors, whose sum is σ = 42082359482. Its totient is φ = 42082359480.

The previous prime is 42082359461. The next prime is 42082359569. The reversal of 42082359481 is 18495328024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27226650025 + 14855709456 = 165005^2 + 121884^2 .

It is a cyclic number.

It is not a de Polignac number, because 42082359481 - 235 = 7722621113 is a prime.

It is a super-2 number, since 2×420823594812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42082359461) 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, 21041179740 + 21041179741.

It is an arithmetic number, because the mean of its divisors is an integer number (21041179741).

Almost surely, 242082359481 is an apocalyptic number.

It is an amenable number.

42082359481 is a deficient number, since it is larger than the sum of its proper divisors (1).

42082359481 is an equidigital number, since it uses as much as digits as its factorization.

42082359481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 42082359481 in words is "forty-two billion, eighty-two million, three hundred fifty-nine thousand, four hundred eighty-one".