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7120494247 is a prime number
BaseRepresentation
bin1101010000110101…
…00001111010100111
3200101020110120211011
412220122201322213
5104040321303442
63134320523051
7341311126306
oct65032417247
920336416734
107120494247
113024373799
121468780487
13896273b09
144b796443d
152ba1bb117
hex1a86a1ea7

7120494247 has 2 divisors, whose sum is σ = 7120494248. Its totient is φ = 7120494246.

The previous prime is 7120494209. The next prime is 7120494287. The reversal of 7120494247 is 7424940217.

It is a happy number.

It is an a-pointer prime, because the next prime (7120494287) can be obtained adding 7120494247 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (7424940217) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7120494247 - 231 = 4973010599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7120494287) 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, 3560247123 + 3560247124.

It is an arithmetic number, because the mean of its divisors is an integer number (3560247124).

Almost surely, 27120494247 is an apocalyptic number.

7120494247 is a deficient number, since it is larger than the sum of its proper divisors (1).

7120494247 is an equidigital number, since it uses as much as digits as its factorization.

7120494247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 7120494247 is about 84383.0210824429. The cubic root of 7120494247 is about 1923.8448568178.

The spelling of 7120494247 in words is "seven billion, one hundred twenty million, four hundred ninety-four thousand, two hundred forty-seven".