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7000040197 is a prime number
BaseRepresentation
bin1101000010011110…
…00010001100000101
3200001211210212221001
412201033002030011
5103314002241242
63114335053301
7335316234313
oct64117021405
920054725831
107000040197
112a72381897
121434371231
1387731b327
144a596b0b3
152ae825eb7
hex1a13c2305

7000040197 has 2 divisors, whose sum is σ = 7000040198. Its totient is φ = 7000040196.

The previous prime is 7000040189. The next prime is 7000040221. The reversal of 7000040197 is 7910400007.

7000040197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6343963201 + 656076996 = 79649^2 + 25614^2 .

It is an emirp because it is prime and its reverse (7910400007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7000040197 - 23 = 7000040189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7000040147) 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, 3500020098 + 3500020099.

It is an arithmetic number, because the mean of its divisors is an integer number (3500020099).

Almost surely, 27000040197 is an apocalyptic number.

It is an amenable number.

7000040197 is a deficient number, since it is larger than the sum of its proper divisors (1).

7000040197 is an equidigital number, since it uses as much as digits as its factorization.

7000040197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 7000040197 is about 83666.2428760847. The cubic root of 7000040197 is about 1912.9348443889.

The spelling of 7000040197 in words is "seven billion, forty thousand, one hundred ninety-seven".