Search a number
-
+
115440122442 = 23191397285127
BaseRepresentation
bin110101110000011000…
…1000111101001001010
3102000222012221211102110
41223200301013221022
53342410132404232
6125011002243150
711224466564511
oct1534061075112
9360865854373
10115440122442
1144a59a37677
121a4587b64b6
13ab695a7578
1458318d1678
1530099daacc
hex1ae0c47a4a

115440122442 has 32 divisors (see below), whose sum is σ = 244780300800. Its totient is φ = 36192505968.

The previous prime is 115440122437. The next prime is 115440122449. The reversal of 115440122442 is 244221044511.

It is not an unprimeable number, because it can be changed into a prime (115440122449) 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 in 15 ways as a sum of consecutive naturals, for example, 3626718 + ... + 3658409.

It is an arithmetic number, because the mean of its divisors is an integer number (7649384400).

Almost surely, 2115440122442 is an apocalyptic number.

115440122442 is an abundant number, since it is smaller than the sum of its proper divisors (129340178358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115440122442 is a wasteful number, since it uses less digits than its factorization.

115440122442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7285290.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 115440122442 its reverse (244221044511), we get a palindrome (359661166953).

The spelling of 115440122442 in words is "one hundred fifteen billion, four hundred forty million, one hundred twenty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 139 278 417 834 2641 5282 7923 15846 7285127 14570254 21855381 43710762 138417413 276834826 415252239 830504478 1012632653 2025265306 3037897959 6075795918 19240020407 38480040814 57720061221 115440122442