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108541445491 is a prime number
BaseRepresentation
bin110010100010110010…
…0110000010101110011
3101101011102212201201201
41211011210300111303
53234243102223431
6121510243512031
710561521030643
oct1450544602563
9341142781651
10108541445491
11420398a8566
1219052388617
13a30a2893bb
1453795cc523
152c54038461
hex1945930573

108541445491 has 2 divisors, whose sum is σ = 108541445492. Its totient is φ = 108541445490.

The previous prime is 108541445471. The next prime is 108541445527. The reversal of 108541445491 is 194544145801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108541445491 - 25 = 108541445459 is a prime.

It is not a weakly prime, because it can be changed into another prime (108541445431) 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, 54270722745 + 54270722746.

It is an arithmetic number, because the mean of its divisors is an integer number (54270722746).

Almost surely, 2108541445491 is an apocalyptic number.

108541445491 is a deficient number, since it is larger than the sum of its proper divisors (1).

108541445491 is an equidigital number, since it uses as much as digits as its factorization.

108541445491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 108541445491 in words is "one hundred eight billion, five hundred forty-one million, four hundred forty-five thousand, four hundred ninety-one".