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9970130309 is a prime number
BaseRepresentation
bin10010100100100010…
…00001110110000101
3221201211120002121112
421102101001312011
5130404323132214
64325154254405
7502032465206
oct112221016605
927654502545
109970130309
114256973517
121b22b87405
13c2b75c8b9
146a81c95ad
153d545ca3e
hex252441d85

9970130309 has 2 divisors, whose sum is σ = 9970130310. Its totient is φ = 9970130308.

The previous prime is 9970130273. The next prime is 9970130327. The reversal of 9970130309 is 9030310799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9290068225 + 680062084 = 96385^2 + 26078^2 .

It is an emirp because it is prime and its reverse (9030310799) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9970130309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9970133309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4985065154 + 4985065155.

It is an arithmetic number, because the mean of its divisors is an integer number (4985065155).

Almost surely, 29970130309 is an apocalyptic number.

It is an amenable number.

9970130309 is a deficient number, since it is larger than the sum of its proper divisors (1).

9970130309 is an equidigital number, since it uses as much as digits as its factorization.

9970130309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 9970130309 is about 99850.5398533228. The cubic root of 9970130309 is about 2152.2874741058.

The spelling of 9970130309 in words is "nine billion, nine hundred seventy million, one hundred thirty thousand, three hundred nine".