Search a number
-
+
11500130115 = 345197144139
BaseRepresentation
bin10101011010111011…
…00000111101000011
31002200110112010210000
422231131200331003
5142023013130430
65141051411043
7554661331065
oct125535407503
932613463700
1011500130115
114971583a71
12228b453a83
131113726a26
147b149b735
15474930e60
hex2ad760f43

11500130115 has 40 divisors (see below), whose sum is σ = 20719836720. Its totient is φ = 6102226368.

The previous prime is 11500130113. The next prime is 11500130137. The reversal of 11500130115 is 51103100511.

It is not a de Polignac number, because 11500130115 - 21 = 11500130113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11500130113) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7716 + ... + 151854.

It is an arithmetic number, because the mean of its divisors is an integer number (517995918).

Almost surely, 211500130115 is an apocalyptic number.

11500130115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11500130115 is a deficient number, since it is larger than the sum of its proper divisors (9219706605).

11500130115 is a wasteful number, since it uses less digits than its factorization.

11500130115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144353 (or 144344 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 18.

Adding to 11500130115 its reverse (51103100511), we get a palindrome (62603230626).

The spelling of 11500130115 in words is "eleven billion, five hundred million, one hundred thirty thousand, one hundred fifteen".

Divisors: 1 3 5 9 15 27 45 81 135 197 405 591 985 1773 2955 5319 8865 15957 26595 79785 144139 432417 720695 1297251 2162085 3891753 6486255 11675259 19458765 28395383 58376295 85186149 141976915 255558447 425930745 766675341 1277792235 2300026023 3833376705 11500130115