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2430430139 is a prime number
BaseRepresentation
bin1001000011011101…
…0110101110111011
320021101021122101002
42100313112232323
514434142231024
61041100315215
7114141213104
oct22067265673
96241248332
102430430139
111037a07155
12579b42b0b
132c96b1657
14190b013ab
15e35876ae
hex90dd6bbb

2430430139 has 2 divisors, whose sum is σ = 2430430140. Its totient is φ = 2430430138.

The previous prime is 2430430097. The next prime is 2430430141. The reversal of 2430430139 is 9310340342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2430430139 - 216 = 2430364603 is a prime.

Together with 2430430141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2430439139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215215069 + 1215215070.

It is an arithmetic number, because the mean of its divisors is an integer number (1215215070).

Almost surely, 22430430139 is an apocalyptic number.

2430430139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2430430139 is an equidigital number, since it uses as much as digits as its factorization.

2430430139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 2430430139 is about 49299.3928867283. The cubic root of 2430430139 is about 1344.5007454992.

The spelling of 2430430139 in words is "two billion, four hundred thirty million, four hundred thirty thousand, one hundred thirty-nine".