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10159943909 is a prime number
BaseRepresentation
bin10010111011001010…
…00111000011100101
3222020001201121220212
421131211013003211
5131301421201114
64400054505205
7506526045503
oct113545070345
928201647825
1010159943909
114344029265
121b76665205
13c5bb8b53b
146c54b9673
153e6e53b3e
hex25d9470e5

10159943909 has 2 divisors, whose sum is σ = 10159943910. Its totient is φ = 10159943908.

The previous prime is 10159943887. The next prime is 10159943921. The reversal of 10159943909 is 90934995101.

It is a happy number.

10159943909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5596536100 + 4563407809 = 74810^2 + 67553^2 .

It is an emirp because it is prime and its reverse (90934995101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10159943909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10159943009) 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, 5079971954 + 5079971955.

It is an arithmetic number, because the mean of its divisors is an integer number (5079971955).

Almost surely, 210159943909 is an apocalyptic number.

It is an amenable number.

10159943909 is a deficient number, since it is larger than the sum of its proper divisors (1).

10159943909 is an equidigital number, since it uses as much as digits as its factorization.

10159943909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393660, while the sum is 50.

The spelling of 10159943909 in words is "ten billion, one hundred fifty-nine million, nine hundred forty-three thousand, nine hundred nine".