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7120829993 is a prime number
BaseRepresentation
bin1101010000110111…
…10011111000101001
3200101021002122101012
412220123303320221
5104040413024433
63134332033305
7341314025204
oct65033637051
920337078335
107120829993
113024582a72
121468902835
13896360894
144b7a1093b
152ba235848
hex1a86f3e29

7120829993 has 2 divisors, whose sum is σ = 7120829994. Its totient is φ = 7120829992.

The previous prime is 7120829953. The next prime is 7120830029. The reversal of 7120829993 is 3999280217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7103624089 + 17205904 = 84283^2 + 4148^2 .

It is a cyclic number.

It is not a de Polignac number, because 7120829993 - 218 = 7120567849 is a prime.

It is not a weakly prime, because it can be changed into another prime (7120829953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3560414996 + 3560414997.

It is an arithmetic number, because the mean of its divisors is an integer number (3560414997).

Almost surely, 27120829993 is an apocalyptic number.

It is an amenable number.

7120829993 is a deficient number, since it is larger than the sum of its proper divisors (1).

7120829993 is an equidigital number, since it uses as much as digits as its factorization.

7120829993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 7120829993 is about 84385.0104757948. The cubic root of 7120829993 is about 1923.8750940945.

The spelling of 7120829993 in words is "seven billion, one hundred twenty million, eight hundred twenty-nine thousand, nine hundred ninety-three".