Base | Representation |
---|---|
bin | 110010001101… |
… | …100111111101 |
3 | 220202202020201 |
4 | 302031213331 |
5 | 11332204010 |
6 | 1150043501 |
7 | 216612052 |
oct | 62154775 |
9 | 26682221 |
10 | 13163005 |
11 | 7480619 |
12 | 44a9591 |
13 | 295b47b |
14 | 1a69029 |
15 | 125023a |
hex | c8d9fd |
13163005 has 4 divisors (see below), whose sum is σ = 15795612. Its totient is φ = 10530400.
The previous prime is 13162993. The next prime is 13163041. The reversal of 13163005 is 50036131.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 5171076 + 7991929 = 2274^2 + 2827^2 .
It is a de Polignac number, because none of the positive numbers 2k-13163005 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316296 + ... + 1316305.
It is an arithmetic number, because the mean of its divisors is an integer number (3948903).
Almost surely, 213163005 is an apocalyptic number.
It is an amenable number.
13163005 is a deficient number, since it is larger than the sum of its proper divisors (2632607).
13163005 is an equidigital number, since it uses as much as digits as its factorization.
13163005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2632606.
The product of its (nonzero) digits is 270, while the sum is 19.
The square root of 13163005 is about 3628.0855833345. The cubic root of 13163005 is about 236.1121570222.
Adding to 13163005 its reverse (50036131), we get a palindrome (63199136).
It can be divided in two parts, 131 and 63005, that added together give a palindrome (63136).
The spelling of 13163005 in words is "thirteen million, one hundred sixty-three thousand, five".
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