Base | Representation |
---|---|
bin | 110000010101… |
… | …000000010100 |
3 | 212211122112022 |
4 | 300111000110 |
5 | 11220401243 |
6 | 1131312312 |
7 | 212453465 |
oct | 60250024 |
9 | 25748468 |
10 | 12668948 |
11 | 7173406 |
12 | 42ab698 |
13 | 2817626 |
14 | 197ad6c |
15 | 11a3b68 |
hex | c15014 |
12668948 has 12 divisors (see below), whose sum is σ = 22770132. Its totient is φ = 6163200.
The previous prime is 12668947. The next prime is 12668951. The reversal of 12668948 is 84986621.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 8596624 + 4072324 = 2932^2 + 2018^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12668899 and 12668908.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12668941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42653 + ... + 42948.
It is an arithmetic number, because the mean of its divisors is an integer number (1897511).
Almost surely, 212668948 is an apocalyptic number.
It is an amenable number.
12668948 is a deficient number, since it is larger than the sum of its proper divisors (10101184).
12668948 is a wasteful number, since it uses less digits than its factorization.
12668948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85642 (or 85640 counting only the distinct ones).
The product of its digits is 165888, while the sum is 44.
The square root of 12668948 is about 3559.3465692455. The cubic root of 12668948 is about 233.1203489598.
The spelling of 12668948 in words is "twelve million, six hundred sixty-eight thousand, nine hundred forty-eight".
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