Base | Representation |
---|---|
bin | 10101011111101… |
… | …01100011101100 |
3 | 110120021210222100 |
4 | 22233311203230 |
5 | 332124443200 |
6 | 25520415100 |
7 | 4316425560 |
oct | 1257654354 |
9 | 416253870 |
10 | 180312300 |
11 | 92866333 |
12 | 50477490 |
13 | 2b48308c |
14 | 19d396a0 |
15 | 10c6ad00 |
hex | abf58ec |
180312300 has 108 divisors (see below), whose sum is σ = 645941296. Its totient is φ = 41212800.
The previous prime is 180312283. The next prime is 180312311. The reversal of 180312300 is 3213081.
180312300 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
180312300 is strictly pandigital in base 9.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8011 + ... + 20610.
Almost surely, 2180312300 is an apocalyptic number.
180312300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
180312300 is an abundant number, since it is smaller than the sum of its proper divisors (465628996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
180312300 is a wasteful number, since it uses less digits than its factorization.
180312300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28648 (or 28638 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 180312300 is about 13428.0415548955. The cubic root of 180312300 is about 564.9479681638.
Adding to 180312300 its reverse (3213081), we get a palindrome (183525381).
The spelling of 180312300 in words is "one hundred eighty million, three hundred twelve thousand, three hundred".
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