Base | Representation |
---|---|
bin | 110000010100… |
… | …010100111100 |
3 | 212211111201111 |
4 | 300110110330 |
5 | 11220304142 |
6 | 1131251404 |
7 | 212442421 |
oct | 60242474 |
9 | 25744644 |
10 | 12666172 |
11 | 7171312 |
12 | 42a9b64 |
13 | 281629c |
14 | 1979d48 |
15 | 11a2e17 |
hex | c1453c |
12666172 has 6 divisors (see below), whose sum is σ = 22165808. Its totient is φ = 6333084.
The previous prime is 12666167. The next prime is 12666191. The reversal of 12666172 is 27166621.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1583268 + ... + 1583275.
Almost surely, 212666172 is an apocalyptic number.
It is an amenable number.
12666172 is a deficient number, since it is larger than the sum of its proper divisors (9499636).
12666172 is a wasteful number, since it uses less digits than its factorization.
12666172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3166547 (or 3166545 counting only the distinct ones).
The product of its digits is 6048, while the sum is 31.
The square root of 12666172 is about 3558.9565886647. The cubic root of 12666172 is about 233.1033207277.
The spelling of 12666172 in words is "twelve million, six hundred sixty-six thousand, one hundred seventy-two".
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