Base | Representation |
---|---|
bin | 110001100101… |
… | …110101001011 |
3 | 220110110122220 |
4 | 301211311023 |
5 | 11312000021 |
6 | 1142345123 |
7 | 215332623 |
oct | 61456513 |
9 | 26413586 |
10 | 13000011 |
11 | 737a112 |
12 | 442b1a3 |
13 | 290221b |
14 | 1a25883 |
15 | 121bcc6 |
hex | c65d4b |
13000011 has 4 divisors (see below), whose sum is σ = 17333352. Its totient is φ = 8666672.
The previous prime is 12999997. The next prime is 13000027. The reversal of 13000011 is 11000031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13000011 - 25 = 12999979 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13000081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2166666 + ... + 2166671.
It is an arithmetic number, because the mean of its divisors is an integer number (4333338).
Almost surely, 213000011 is an apocalyptic number.
13000011 is a deficient number, since it is larger than the sum of its proper divisors (4333341).
13000011 is an equidigital number, since it uses as much as digits as its factorization.
13000011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4333340.
The product of its (nonzero) digits is 3, while the sum is 6.
The square root of 13000011 is about 3605.5528008892. The cubic root of 13000011 is about 235.1335350918.
Adding to 13000011 its reverse (11000031), we get a palindrome (24000042).
The spelling of 13000011 in words is "thirteen million, eleven", and thus it is an aban number and an uban number.
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