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115242505345 = 5112279230477
BaseRepresentation
bin110101101010011111…
…1010001010010000001
3102000110110002211201201
41223110333101102001
53342004040132340
6124535222501201
711216550063412
oct1532477212201
9360413084651
10115242505345
1144968431a60
121a402594801
13ab37675a86
14581356d809
152ee74a279a
hex1ad4fd1481

115242505345 has 16 divisors (see below), whose sum is σ = 151527526848. Its totient is φ = 83443503040.

The previous prime is 115242505271. The next prime is 115242505387. The reversal of 115242505345 is 543505242511.

It is not a de Polignac number, because 115242505345 - 227 = 115108287617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4602754 + ... + 4627723.

It is an arithmetic number, because the mean of its divisors is an integer number (9470470428).

Almost surely, 2115242505345 is an apocalyptic number.

It is an amenable number.

115242505345 is a deficient number, since it is larger than the sum of its proper divisors (36285021503).

115242505345 is a wasteful number, since it uses less digits than its factorization.

115242505345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9230720.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 115242505345 its reverse (543505242511), we get a palindrome (658747747856).

The spelling of 115242505345 in words is "one hundred fifteen billion, two hundred forty-two million, five hundred five thousand, three hundred forty-five".

Divisors: 1 5 11 55 227 1135 2497 12485 9230477 46152385 101535247 507676235 2095318279 10476591395 23048501069 115242505345