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2430530189 is a prime number
BaseRepresentation
bin1001000011011110…
…1111001010001101
320021101110201121122
42100313233022031
514434203431224
61041102410325
7114142110563
oct22067571215
96241421548
102430530189
111037a7533a
12579b909a5
132c9718059
14190b29a33
15e35a715e
hex90def28d

2430530189 has 2 divisors, whose sum is σ = 2430530190. Its totient is φ = 2430530188.

The previous prime is 2430530173. The next prime is 2430530197. The reversal of 2430530189 is 9810350342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2428814089 + 1716100 = 49283^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 2430530189 - 24 = 2430530173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2430530119) 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, 1215265094 + 1215265095.

It is an arithmetic number, because the mean of its divisors is an integer number (1215265095).

Almost surely, 22430530189 is an apocalyptic number.

It is an amenable number.

2430530189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2430530189 is an equidigital number, since it uses as much as digits as its factorization.

2430530189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2430530189 is about 49300.4075946640. The cubic root of 2430530189 is about 1344.5191942849.

The spelling of 2430530189 in words is "two billion, four hundred thirty million, five hundred thirty thousand, one hundred eighty-nine".