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42490805083 = 59720183137
BaseRepresentation
bin100111100100101001…
…100011101101011011
311001200020221112201121
4213210221203231123
51144010121230313
631304153230111
73032650612126
oct474451435533
9131606845647
1042490805083
1117024a51841
12829a102337
13401211271c
1420b13073bd
15118a4e828d
hex9e4a63b5b

42490805083 has 4 divisors (see below), whose sum is σ = 43210988280. Its totient is φ = 41770621888.

The previous prime is 42490805081. The next prime is 42490805117. The reversal of 42490805083 is 38050809424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42490805083 - 21 = 42490805081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42490805081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360091510 + ... + 360091627.

It is an arithmetic number, because the mean of its divisors is an integer number (10802747070).

Almost surely, 242490805083 is an apocalyptic number.

42490805083 is a deficient number, since it is larger than the sum of its proper divisors (720183197).

42490805083 is an equidigital number, since it uses as much as digits as its factorization.

42490805083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720183196.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 42490805083 in words is "forty-two billion, four hundred ninety million, eight hundred five thousand, eighty-three".

Divisors: 1 59 720183137 42490805083