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5239179181 is a prime number
BaseRepresentation
bin1001110000100011…
…11000011110101101
3111112010102212201101
410320101320132231
541212212213211
62223513443101
7243555200605
oct47021703655
914463385641
105239179181
11224941a955
121022710491
13656582c32
14379b61c05
15209e4e5c1
hex1384787ad

5239179181 has 2 divisors, whose sum is σ = 5239179182. Its totient is φ = 5239179180.

The previous prime is 5239179157. The next prime is 5239179191. The reversal of 5239179181 is 1819719325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3517676100 + 1721503081 = 59310^2 + 41491^2 .

It is a cyclic number.

It is not a de Polignac number, because 5239179181 - 217 = 5239048109 is a prime.

It is a super-2 number, since 2×52391791812 = 54897996981247661522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5239179191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2619589590 + 2619589591.

It is an arithmetic number, because the mean of its divisors is an integer number (2619589591).

Almost surely, 25239179181 is an apocalyptic number.

It is an amenable number.

5239179181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5239179181 is an equidigital number, since it uses as much as digits as its factorization.

5239179181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 46.

The square root of 5239179181 is about 72382.1744699619. The cubic root of 5239179181 is about 1736.8184231862.

The spelling of 5239179181 in words is "five billion, two hundred thirty-nine million, one hundred seventy-nine thousand, one hundred eighty-one".