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45785458717 is a prime number
BaseRepresentation
bin101010101001000001…
…101010100000011101
311101011212102021212021
4222221001222200131
51222232034134332
633011125140141
73210414656245
oct525101524035
9141155367767
1045785458717
1118465774889
128a5955a651
13441887240b
142304ad0b25
1512ce891c97
hexaa906a81d

45785458717 has 2 divisors, whose sum is σ = 45785458718. Its totient is φ = 45785458716.

The previous prime is 45785458703. The next prime is 45785458757. The reversal of 45785458717 is 71785458754.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25957720996 + 19827737721 = 161114^2 + 140811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45785458717 is a prime.

It is a super-2 number, since 2×457854587172 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45785458757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22892729358 + 22892729359.

It is an arithmetic number, because the mean of its divisors is an integer number (22892729359).

Almost surely, 245785458717 is an apocalyptic number.

It is an amenable number.

45785458717 is a deficient number, since it is larger than the sum of its proper divisors (1).

45785458717 is an equidigital number, since it uses as much as digits as its factorization.

45785458717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43904000, while the sum is 61.

The spelling of 45785458717 in words is "forty-five billion, seven hundred eighty-five million, four hundred fifty-eight thousand, seven hundred seventeen".