Base | Representation |
---|---|
bin | 1100110011000001… |
… | …00110100101101100 |
3 | 122201210220220102202 |
4 | 12121200212211230 |
5 | 103032312144022 |
6 | 3053425041032 |
7 | 332153450240 |
oct | 63140464554 |
9 | 18653826382 |
10 | 6870428012 |
11 | 2a061a5288 |
12 | 13b8a86178 |
13 | 85650a226 |
14 | 49266c420 |
15 | 2a3272592 |
hex | 19982696c |
6870428012 has 12 divisors (see below), whose sum is σ = 13740856080. Its totient is φ = 2944469136.
The previous prime is 6870428009. The next prime is 6870428017. The reversal of 6870428012 is 2108240786.
6870428012 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (6870428017) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122686187 + ... + 122686242.
It is an arithmetic number, because the mean of its divisors is an integer number (1145071340).
Almost surely, 26870428012 is an apocalyptic number.
It is an amenable number.
6870428012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6870428012 is a wasteful number, since it uses less digits than its factorization.
6870428012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 245372440 (or 245372438 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 38.
The square root of 6870428012 is about 82888.0450487282. The cubic root of 6870428012 is about 1901.0546325949.
Adding to 6870428012 its reverse (2108240786), we get a palindrome (8978668798).
The spelling of 6870428012 in words is "six billion, eight hundred seventy million, four hundred twenty-eight thousand, twelve".
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