Base | Representation |
---|---|
bin | 10111000110110100… |
… | …10000010100010000 |
3 | 1012000112122202020221 |
4 | 23203122100110100 |
5 | 200401220321300 |
6 | 5410543242424 |
7 | 616261562425 |
oct | 134332202420 |
9 | 35015582227 |
10 | 12405245200 |
11 | 529648a367 |
12 | 24a25a9414 |
13 | 12290c169a |
14 | 859789d4c |
15 | 4c911d31a |
hex | 2e3690510 |
12405245200 has 60 divisors (see below), whose sum is σ = 30765038848. Its totient is φ = 4802025600.
The previous prime is 12405245161. The next prime is 12405245213. The reversal of 12405245200 is 254250421.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 487812 + ... + 512611.
Almost surely, 212405245200 is an apocalyptic number.
12405245200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12405245200 is an abundant number, since it is smaller than the sum of its proper divisors (18359793648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12405245200 is a wasteful number, since it uses less digits than its factorization.
12405245200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1000472 (or 1000461 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 25.
Adding to 12405245200 its reverse (254250421), we get a palindrome (12659495621).
The spelling of 12405245200 in words is "twelve billion, four hundred five million, two hundred forty-five thousand, two hundred".
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