Base | Representation |
---|---|
bin | 110001110001… |
… | …110100100001 |
3 | 220112222000210 |
4 | 301301310201 |
5 | 11320032441 |
6 | 1143404333 |
7 | 215626041 |
oct | 61616441 |
9 | 26488023 |
10 | 13049121 |
11 | 7402aa8 |
12 | 44536a9 |
13 | 291b697 |
14 | 1a39721 |
15 | 122b616 |
hex | c71d21 |
13049121 has 8 divisors (see below), whose sum is σ = 17658784. Its totient is φ = 8569440.
The previous prime is 13049093. The next prime is 13049129. The reversal of 13049121 is 12194031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13049121 - 210 = 13048097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13049129) 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, 32260 + ... + 32661.
It is an arithmetic number, because the mean of its divisors is an integer number (2207348).
Almost surely, 213049121 is an apocalyptic number.
It is an amenable number.
13049121 is a deficient number, since it is larger than the sum of its proper divisors (4609663).
13049121 is an equidigital number, since it uses as much as digits as its factorization.
13049121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64991.
The product of its (nonzero) digits is 216, while the sum is 21.
The square root of 13049121 is about 3612.3567099610. The cubic root of 13049121 is about 235.4292501623.
The spelling of 13049121 in words is "thirteen million, forty-nine thousand, one hundred twenty-one".
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