Base | Representation |
---|---|
bin | 10111100100101000… |
… | …01011110100011100 |
3 | 1012122222012110122001 |
4 | 23302110023310130 |
5 | 201404224442111 |
6 | 5451435132044 |
7 | 625416243544 |
oct | 136224136434 |
9 | 35588173561 |
10 | 12655312156 |
11 | 5404659373 |
12 | 25522a4024 |
13 | 1268b586b6 |
14 | 880a82324 |
15 | 4e10671c1 |
hex | 2f250bd1c |
12655312156 has 24 divisors (see below), whose sum is σ = 22869504000. Its totient is φ = 6121316400.
The previous prime is 12655312151. The next prime is 12655312157. The reversal of 12655312156 is 65121355621.
It is a happy number.
12655312156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12655312151) by changing a digit.
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, 354861 + ... + 388891.
It is an arithmetic number, because the mean of its divisors is an integer number (952896000).
Almost surely, 212655312156 is an apocalyptic number.
It is an amenable number.
12655312156 is a deficient number, since it is larger than the sum of its proper divisors (10214191844).
12655312156 is a wasteful number, since it uses less digits than its factorization.
12655312156 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37065 (or 37063 counting only the distinct ones).
The product of its digits is 54000, while the sum is 37.
Adding to 12655312156 its reverse (65121355621), we get a palindrome (77776667777).
The spelling of 12655312156 in words is "twelve billion, six hundred fifty-five million, three hundred twelve thousand, one hundred fifty-six".
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