Base | Representation |
---|---|
bin | 110010001101… |
… | …100010111001 |
3 | 220202201210201 |
4 | 302031202321 |
5 | 11332201211 |
6 | 1150042201 |
7 | 216611110 |
oct | 62154271 |
9 | 26681721 |
10 | 13162681 |
11 | 7480354 |
12 | 44a9361 |
13 | 295b28c |
14 | 1a68c77 |
15 | 12500c1 |
hex | c8d8b9 |
13162681 has 8 divisors (see below), whose sum is σ = 15410304. Its totient is φ = 11006880.
The previous prime is 13162673. The next prime is 13162711. The reversal of 13162681 is 18626131.
13162681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13162681 - 23 = 13162673 is a prime.
It is a super-2 number, since 2×131626812 = 346512342215522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13162621) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22645 + ... + 23218.
It is an arithmetic number, because the mean of its divisors is an integer number (1926288).
Almost surely, 213162681 is an apocalyptic number.
It is an amenable number.
13162681 is a deficient number, since it is larger than the sum of its proper divisors (2247623).
13162681 is an equidigital number, since it uses as much as digits as its factorization.
13162681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45911.
The product of its digits is 1728, while the sum is 28.
The square root of 13162681 is about 3628.0409314119. The cubic root of 13162681 is about 236.1102197501.
The spelling of 13162681 in words is "thirteen million, one hundred sixty-two thousand, six hundred eighty-one".
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