Base | Representation |
---|---|
bin | 110010001101… |
… | …110010001100 |
3 | 220202210010222 |
4 | 302031302030 |
5 | 11332214120 |
6 | 1150050512 |
7 | 216614006 |
oct | 62156214 |
9 | 26683128 |
10 | 13163660 |
11 | 7481064 |
12 | 44a9a38 |
13 | 295b863 |
14 | 1a69376 |
15 | 1250525 |
hex | c8dc8c |
13163660 has 24 divisors (see below), whose sum is σ = 27805680. Its totient is φ = 5234624.
The previous prime is 13163653. The next prime is 13163669. The reversal of 13163660 is 6636131.
It is not an unprimeable number, because it can be changed into a prime (13163669) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742 + ... + 5418.
It is an arithmetic number, because the mean of its divisors is an integer number (1158570).
Almost surely, 213163660 is an apocalyptic number.
13163660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13163660 is an abundant number, since it is smaller than the sum of its proper divisors (14642020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13163660 is a wasteful number, since it uses less digits than its factorization.
13163660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3865 (or 3863 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 26.
The square root of 13163660 is about 3628.1758502035. The cubic root of 13163660 is about 236.1160733239.
Adding to 13163660 its reverse (6636131), we get a palindrome (19799791).
The spelling of 13163660 in words is "thirteen million, one hundred sixty-three thousand, six hundred sixty".
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