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5164230581 is a prime number
BaseRepresentation
bin1001100111100111…
…11110011110110101
3111022220102002120022
410303303332132311
541034020334311
62212235214525
7241655143556
oct46363763665
914286362508
105164230581
112210089964
1210015a7445
13643ba0b53
1436dc1232d
152035975db
hex133cfe7b5

5164230581 has 2 divisors, whose sum is σ = 5164230582. Its totient is φ = 5164230580.

The previous prime is 5164230569. The next prime is 5164230587. The reversal of 5164230581 is 1850324615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5070721681 + 93508900 = 71209^2 + 9670^2 .

It is a cyclic number.

It is not a de Polignac number, because 5164230581 - 214 = 5164214197 is a prime.

It is a super-2 number, since 2×51642305812 = 53338554987471195122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5164230587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582115290 + 2582115291.

It is an arithmetic number, because the mean of its divisors is an integer number (2582115291).

Almost surely, 25164230581 is an apocalyptic number.

It is an amenable number.

5164230581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5164230581 is an equidigital number, since it uses as much as digits as its factorization.

5164230581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 5164230581 is about 71862.5812297332. The cubic root of 5164230581 is about 1728.4966481396.

The spelling of 5164230581 in words is "five billion, one hundred sixty-four million, two hundred thirty thousand, five hundred eighty-one".