Base | Representation |
---|---|
bin | 10110110110100010… |
… | …10000000000001101 |
3 | 1011200000122212001010 |
4 | 23123101100000031 |
5 | 200111234320033 |
6 | 5345224035433 |
7 | 613012643100 |
oct | 133321200015 |
9 | 34600585033 |
10 | 12268666893 |
11 | 522638502a |
12 | 2464902b79 |
13 | 1206a11912 |
14 | 845596737 |
15 | 4bc140863 |
hex | 2db45000d |
12268666893 has 48 divisors (see below), whose sum is σ = 19567215360. Its totient is φ = 6814813824.
The previous prime is 12268666889. The next prime is 12268666931. The reversal of 12268666893 is 39866686221.
It is not a de Polignac number, because 12268666893 - 22 = 12268666889 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12268666093) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 841996 + ... + 856442.
It is an arithmetic number, because the mean of its divisors is an integer number (407650320).
Almost surely, 212268666893 is an apocalyptic number.
It is an amenable number.
12268666893 is a deficient number, since it is larger than the sum of its proper divisors (7298548467).
12268666893 is a wasteful number, since it uses less digits than its factorization.
12268666893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14626 (or 14619 counting only the distinct ones).
The product of its digits is 8957952, while the sum is 57.
The spelling of 12268666893 in words is "twelve billion, two hundred sixty-eight million, six hundred sixty-six thousand, eight hundred ninety-three".
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