Base | Representation |
---|---|
bin | 11000000000010111… |
… | …00011111111111101 |
3 | 1020021011220211100002 |
4 | 30000023203333331 |
5 | 202343302323200 |
6 | 5530505044045 |
7 | 634242423320 |
oct | 140013437775 |
9 | 36234824302 |
10 | 12887932925 |
11 | 55139a183a |
12 | 25b8186625 |
13 | 12a50c481a |
14 | 8a39167b7 |
15 | 5066b6bd5 |
hex | 3002e3ffd |
12887932925 has 24 divisors (see below), whose sum is σ = 18315869376. Its totient is φ = 8812362240.
The previous prime is 12887932873. The next prime is 12887932931. The reversal of 12887932925 is 52923978821.
It is a happy number.
It is not a de Polignac number, because 12887932925 - 214 = 12887916541 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42539 + ... + 166088.
It is an arithmetic number, because the mean of its divisors is an integer number (763161224).
Almost surely, 212887932925 is an apocalyptic number.
It is an amenable number.
12887932925 is a deficient number, since it is larger than the sum of its proper divisors (5427936451).
12887932925 is a wasteful number, since it uses less digits than its factorization.
12887932925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 208997 (or 208992 counting only the distinct ones).
The product of its digits is 4354560, while the sum is 56.
The spelling of 12887932925 in words is "twelve billion, eight hundred eighty-seven million, nine hundred thirty-two thousand, nine hundred twenty-five".
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