Base | Representation |
---|---|
bin | 110000011001… |
… | …000100000000 |
3 | 212212111022212 |
4 | 300121010000 |
5 | 11221414233 |
6 | 1131521252 |
7 | 212553110 |
oct | 60310400 |
9 | 25774285 |
10 | 12685568 |
11 | 7184945 |
12 | 42b9228 |
13 | 282206c |
14 | 1983040 |
15 | 11a8a48 |
hex | c19100 |
12685568 has 36 divisors (see below), whose sum is σ = 28943040. Its totient is φ = 5435904.
The previous prime is 12685567. The next prime is 12685573. The reversal of 12685568 is 86558621.
It is not an unprimeable number, because it can be changed into a prime (12685567) 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, 1748 + ... + 5331.
Almost surely, 212685568 is an apocalyptic number.
It is an amenable number.
12685568 is an abundant number, since it is smaller than the sum of its proper divisors (16257472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12685568 is an frugal number, since it uses more digits than its factorization.
12685568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7102 (or 7088 counting only the distinct ones).
The product of its digits is 115200, while the sum is 41.
The square root of 12685568 is about 3561.6805022349. The cubic root of 12685568 is about 233.2222455332. Note that the first 4 decimals are identical.
The spelling of 12685568 in words is "twelve million, six hundred eighty-five thousand, five hundred sixty-eight".
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