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5172712289 is a prime number
BaseRepresentation
bin1001101000101000…
…10101001101100001
3111100111101000021122
410310110111031201
541043203243124
62213141102025
7242120220563
oct46424251541
914314330248
105172712289
112214952338
1210043b7915
13645880604
14370dbd333
152041c075e
hex134515361

5172712289 has 2 divisors, whose sum is σ = 5172712290. Its totient is φ = 5172712288.

The previous prime is 5172712249. The next prime is 5172712319. The reversal of 5172712289 is 9822172715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4731376225 + 441336064 = 68785^2 + 21008^2 .

It is a cyclic number.

It is not a de Polignac number, because 5172712289 - 28 = 5172712033 is a prime.

It is not a weakly prime, because it can be changed into another prime (5172712249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586356144 + 2586356145.

It is an arithmetic number, because the mean of its divisors is an integer number (2586356145).

Almost surely, 25172712289 is an apocalyptic number.

It is an amenable number.

5172712289 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172712289 is an equidigital number, since it uses as much as digits as its factorization.

5172712289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 44.

The square root of 5172712289 is about 71921.5704013754. The cubic root of 5172712289 is about 1729.4424221366.

The spelling of 5172712289 in words is "five billion, one hundred seventy-two million, seven hundred twelve thousand, two hundred eighty-nine".