Base | Representation |
---|---|
bin | 10110101000011010… |
… | …00100101100101100 |
3 | 1011100202121122001101 |
4 | 23110031010230230 |
5 | 144340413202000 |
6 | 5325351252444 |
7 | 610043261623 |
oct | 132415045454 |
9 | 34322548041 |
10 | 12150131500 |
11 | 51754836a1 |
12 | 243107a124 |
13 | 11b82ab530 |
14 | 83393c6ba |
15 | 4b1a28e6a |
hex | 2d4344b2c |
12150131500 has 48 divisors (see below), whose sum is σ = 28577124576. Its totient is φ = 4486200000.
The previous prime is 12150131453. The next prime is 12150131519. The reversal of 12150131500 is 513105121.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928126 + ... + 941125.
It is an arithmetic number, because the mean of its divisors is an integer number (595356762).
Almost surely, 212150131500 is an apocalyptic number.
12150131500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12150131500 is an abundant number, since it is smaller than the sum of its proper divisors (16426993076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12150131500 is a wasteful number, since it uses less digits than its factorization.
12150131500 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1869283 (or 1869271 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 19.
Adding to 12150131500 its reverse (513105121), we get a palindrome (12663236621).
The spelling of 12150131500 in words is "twelve billion, one hundred fifty million, one hundred thirty-one thousand, five hundred".
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