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115303020020 = 22533717107273
BaseRepresentation
bin110101101100010011…
…0000111010111110100
3102000121122222022020222
41223120212013113310
53342120033120040
6124545223513512
711221213333136
oct1533046072764
9360548868228
10115303020020
1144999604591
121a41a8b8898
13ab47073086
14581b603056
152eec957bb5
hex1ad89875f4

115303020020 has 24 divisors (see below), whose sum is σ = 242854861704. Its totient is φ = 45984347136.

The previous prime is 115303020011. The next prime is 115303020031. The reversal of 115303020020 is 20020303511.

It can be written as a sum of positive squares in 4 ways, for example, as 1002228964 + 114300791056 = 31658^2 + 338084^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8546897 + ... + 8560376.

It is an arithmetic number, because the mean of its divisors is an integer number (10118952571).

Almost surely, 2115303020020 is an apocalyptic number.

115303020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115303020020 is an abundant number, since it is smaller than the sum of its proper divisors (127551841684).

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

115303020020 is a wasteful number, since it uses less digits than its factorization.

115303020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17107619 (or 17107617 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 115303020020 its reverse (20020303511), we get a palindrome (135323323531).

The spelling of 115303020020 in words is "one hundred fifteen billion, three hundred three million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 337 674 1348 1685 3370 6740 17107273 34214546 68429092 85536365 171072730 342145460 5765151001 11530302002 23060604004 28825755005 57651510010 115303020020