Base | Representation |
---|---|
bin | 10110101110011110… |
… | …00111000100010100 |
3 | 1011111022022212120222 |
4 | 23113033013010110 |
5 | 144441423402030 |
6 | 5334405413512 |
7 | 611231523143 |
oct | 132717070424 |
9 | 34438285528 |
10 | 12200997140 |
11 | 51a1165812 |
12 | 244610a298 |
13 | 11c59aa947 |
14 | 83a5bd75a |
15 | 4b62253e5 |
hex | 2d73c7114 |
12200997140 has 24 divisors (see below), whose sum is σ = 25631848872. Its totient is φ = 4878540800.
The previous prime is 12200997139. The next prime is 12200997161. The reversal of 12200997140 is 4179900221.
12200997140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 4782275716 + 7418721424 = 69154^2 + 86132^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 12200997140.
It is a congruent number.
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 7 ways as a sum of consecutive naturals, for example, 61661 + ... + 167940.
It is an arithmetic number, because the mean of its divisors is an integer number (1067993703).
Almost surely, 212200997140 is an apocalyptic number.
12200997140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12200997140 is an abundant number, since it is smaller than the sum of its proper divisors (13430851732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12200997140 is a wasteful number, since it uses less digits than its factorization.
12200997140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232267 (or 232265 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 35.
The spelling of 12200997140 in words is "twelve billion, two hundred million, nine hundred ninety-seven thousand, one hundred forty".
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