Base | Representation |
---|---|
bin | 10110100110001010… |
… | …01111111110000100 |
3 | 1011022110012001121122 |
4 | 23103011033332010 |
5 | 144321103201200 |
6 | 5323435533112 |
7 | 606424243124 |
oct | 132305177604 |
9 | 34273161548 |
10 | 12131303300 |
11 | 51658937a6 |
12 | 24268ba198 |
13 | 11b441859c |
14 | 83123ac84 |
15 | 4b005a385 |
hex | 2d314ff84 |
12131303300 has 36 divisors (see below), whose sum is σ = 26342259300. Its totient is φ = 4849326720.
The previous prime is 12131303273. The next prime is 12131303321. The reversal of 12131303300 is 330313121.
It can be written as a sum of positive squares in 6 ways, for example, as 577633156 + 11553670144 = 24034^2 + 107488^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115742 + ... + 194058.
It is an arithmetic number, because the mean of its divisors is an integer number (731729425).
Almost surely, 212131303300 is an apocalyptic number.
12131303300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12131303300 is an abundant number, since it is smaller than the sum of its proper divisors (14210956000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12131303300 is a wasteful number, since it uses less digits than its factorization.
12131303300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79880 (or 79873 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 17.
Adding to 12131303300 its reverse (330313121), we get a palindrome (12461616421).
The spelling of 12131303300 in words is "twelve billion, one hundred thirty-one million, three hundred three thousand, three hundred".
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