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115850142049 is a prime number
BaseRepresentation
bin110101111100100110…
…1001110000101100001
3102002000210110222120211
41223321031032011201
53344230114021144
6125115410334121
711240605650115
oct1537115160541
9362023428524
10115850142049
114514a426454
121a551b8a341
13ac03516615
145870143745
1530309cd034
hex1af934e161

115850142049 has 2 divisors, whose sum is σ = 115850142050. Its totient is φ = 115850142048.

The previous prime is 115850142047. The next prime is 115850142053. The reversal of 115850142049 is 940241058511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62272707025 + 53577435024 = 249545^2 + 231468^2 .

It is a cyclic number.

It is not a de Polignac number, because 115850142049 - 21 = 115850142047 is a prime.

Together with 115850142047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (115850142047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57925071024 + 57925071025.

It is an arithmetic number, because the mean of its divisors is an integer number (57925071025).

Almost surely, 2115850142049 is an apocalyptic number.

It is an amenable number.

115850142049 is a deficient number, since it is larger than the sum of its proper divisors (1).

115850142049 is an equidigital number, since it uses as much as digits as its factorization.

115850142049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 115850142049 in words is "one hundred fifteen billion, eight hundred fifty million, one hundred forty-two thousand, forty-nine".