Search a number
-
+
115450143231 = 3103373625059
BaseRepresentation
bin110101110000101011…
…1010110000111111111
3102000222220210221100210
41223201113112013333
53342420214040411
6125012001123503
711224651011603
oct1534127260777
9360886727323
10115450143231
1144a64661415
121a460029593
13ab6b6a5727
145832d7d503
15300a819ca6
hex1ae15d61ff

115450143231 has 8 divisors (see below), whose sum is σ = 155428024960. Its totient is φ = 76219511832.

The previous prime is 115450143199. The next prime is 115450143257. The reversal of 115450143231 is 132341054511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115450143231 - 25 = 115450143199 is a prime.

It is a super-2 number, since 2×1154501432312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115450143271) 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 7 ways as a sum of consecutive naturals, for example, 186812221 + ... + 186812838.

It is an arithmetic number, because the mean of its divisors is an integer number (19428503120).

Almost surely, 2115450143231 is an apocalyptic number.

115450143231 is a deficient number, since it is larger than the sum of its proper divisors (39977881729).

115450143231 is a wasteful number, since it uses less digits than its factorization.

115450143231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373625165.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 115450143231 its reverse (132341054511), we get a palindrome (247791197742).

The spelling of 115450143231 in words is "one hundred fifteen billion, four hundred fifty million, one hundred forty-three thousand, two hundred thirty-one".

Divisors: 1 3 103 309 373625059 1120875177 38483381077 115450143231