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115948267489 = 991117001279
BaseRepresentation
bin110101111111100001…
…1100010011111100001
3102002021122010021101101
41223333003202133201
53344430224024424
6125133233434401
711243210004115
oct1537703423741
9362248107341
10115948267489
114519a85755a
121a57aa0ba01
13ac1a951b02
14587d1a7745
153039412344
hex1aff0e27e1

115948267489 has 4 divisors (see below), whose sum is σ = 116065269760. Its totient is φ = 115831265220.

The previous prime is 115948267469. The next prime is 115948267493. The reversal of 115948267489 is 984762849511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115948267489 - 211 = 115948265441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115948267489.

It is not an unprimeable number, because it can be changed into a prime (115948267439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58499649 + ... + 58501630.

It is an arithmetic number, because the mean of its divisors is an integer number (29016317440).

Almost surely, 2115948267489 is an apocalyptic number.

It is an amenable number.

115948267489 is a deficient number, since it is larger than the sum of its proper divisors (117002271).

115948267489 is an equidigital number, since it uses as much as digits as its factorization.

115948267489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117002270.

The product of its digits is 34836480, while the sum is 64.

The spelling of 115948267489 in words is "one hundred fifteen billion, nine hundred forty-eight million, two hundred sixty-seven thousand, four hundred eighty-nine".

Divisors: 1 991 117001279 115948267489