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42410401081 is a prime number
BaseRepresentation
bin100111011111110110…
…110101110100111001
311001110122122121011121
4213133312311310321
51143324030313311
631252202025241
73030653314126
oct473766656471
9131418577147
1042410401081
1116a93625054
1282771a8221
133ccb5704a9
1420a477774d
151183414b71
hex9dfdb5d39

42410401081 has 2 divisors, whose sum is σ = 42410401082. Its totient is φ = 42410401080.

The previous prime is 42410401031. The next prime is 42410401139. The reversal of 42410401081 is 18010401424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32739645481 + 9670755600 = 180941^2 + 98340^2 .

It is a cyclic number.

It is not a de Polignac number, because 42410401081 - 29 = 42410400569 is a prime.

It is a super-2 number, since 2×424104010812 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42410401031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21205200540 + 21205200541.

It is an arithmetic number, because the mean of its divisors is an integer number (21205200541).

Almost surely, 242410401081 is an apocalyptic number.

It is an amenable number.

42410401081 is a deficient number, since it is larger than the sum of its proper divisors (1).

42410401081 is an equidigital number, since it uses as much as digits as its factorization.

42410401081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 25.

The spelling of 42410401081 in words is "forty-two billion, four hundred ten million, four hundred one thousand, eighty-one".