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7250068289 is a prime number
BaseRepresentation
bin1101100000010001…
…10100001101000001
3200201021021121222202
412300020310031001
5104322004141124
63155230042545
7344443364222
oct66010641501
920637247882
107250068289
113090524682
1214a4049455
138b7070749
144cac53249
152c67635ae
hex1b0234341

7250068289 has 2 divisors, whose sum is σ = 7250068290. Its totient is φ = 7250068288.

The previous prime is 7250068271. The next prime is 7250068297. The reversal of 7250068289 is 9828600527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6353365264 + 896703025 = 79708^2 + 29945^2 .

It is an emirp because it is prime and its reverse (9828600527) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7250068289 is a prime.

It is not a weakly prime, because it can be changed into another prime (7250068789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3625034144 + 3625034145.

It is an arithmetic number, because the mean of its divisors is an integer number (3625034145).

Almost surely, 27250068289 is an apocalyptic number.

It is an amenable number.

7250068289 is a deficient number, since it is larger than the sum of its proper divisors (1).

7250068289 is an equidigital number, since it uses as much as digits as its factorization.

7250068289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 7250068289 is about 85147.3328355034. The cubic root of 7250068289 is about 1935.4443970372. Note that the first 3 decimals are identical.

The spelling of 7250068289 in words is "seven billion, two hundred fifty million, sixty-eight thousand, two hundred eighty-nine".