Search a number
-
+
115242505343 = 791932535507
BaseRepresentation
bin110101101010011111…
…1010001010001111111
3102000110110002211201122
41223110333101101333
53342004040132333
6124535222501155
711216550063410
oct1532477212177
9360413084648
10115242505343
1144968431a59
121a4025947bb
13ab37675a84
14581356d807
152ee74a2798
hex1ad4fd147f

115242505343 has 16 divisors (see below), whose sum is σ = 131913515520. Its totient is φ = 98623560096.

The previous prime is 115242505271. The next prime is 115242505387. The reversal of 115242505343 is 343505242511.

It is a cyclic number.

It is not a de Polignac number, because 115242505343 - 220 = 115241456767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115242505643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20923796 + ... + 20929302.

It is an arithmetic number, because the mean of its divisors is an integer number (8244594720).

Almost surely, 2115242505343 is an apocalyptic number.

115242505343 is a deficient number, since it is larger than the sum of its proper divisors (16671010177).

115242505343 is an equidigital number, since it uses as much as digits as its factorization.

115242505343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9686.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 115242505343 its reverse (343505242511), we get a palindrome (458747747854).

The spelling of 115242505343 in words is "one hundred fifteen billion, two hundred forty-two million, five hundred five thousand, three hundred forty-three".

Divisors: 1 7 919 3253 5507 6433 22771 38549 2989507 5060933 17914271 20926549 35426531 125399897 16463215049 115242505343