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70185540317 is a prime number
BaseRepresentation
bin100000101011101100…
…0100101101011011101
320201011100110212100012
41001113120211223131
52122214444242232
652124235413005
75033156151344
oct1012730455335
9221140425305
1070185540317
11278469a9282
1211728bb4165
136806a0b219
14357b512b5b
151c5ba609b2
hex1057625add

70185540317 has 2 divisors, whose sum is σ = 70185540318. Its totient is φ = 70185540316.

The previous prime is 70185540307. The next prime is 70185540323. The reversal of 70185540317 is 71304558107.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60723309241 + 9462231076 = 246421^2 + 97274^2 .

It is a cyclic number.

It is not a de Polignac number, because 70185540317 - 26 = 70185540253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70185540307) 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, 35092770158 + 35092770159.

It is an arithmetic number, because the mean of its divisors is an integer number (35092770159).

Almost surely, 270185540317 is an apocalyptic number.

It is an amenable number.

70185540317 is a deficient number, since it is larger than the sum of its proper divisors (1).

70185540317 is an equidigital number, since it uses as much as digits as its factorization.

70185540317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 70185540317 in words is "seventy billion, one hundred eighty-five million, five hundred forty thousand, three hundred seventeen".