Base | Representation |
---|---|
bin | 110010011011… |
… | …100010101011 |
3 | 220212122110001 |
4 | 302123202223 |
5 | 11341020021 |
6 | 1151203431 |
7 | 220240210 |
oct | 62334253 |
9 | 26778401 |
10 | 13220011 |
11 | 750a432 |
12 | 4516577 |
13 | 297b3bc |
14 | 1a81b07 |
15 | 1262091 |
hex | c9b8ab |
13220011 has 8 divisors (see below), whose sum is σ = 15151104. Its totient is φ = 11299560.
The previous prime is 13220003. The next prime is 13220021. The reversal of 13220011 is 11002231.
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 13220011 - 23 = 13220003 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13220011.
It is not an unprimeable number, because it can be changed into a prime (13220021) 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 7 ways as a sum of consecutive naturals, for example, 216 + ... + 5146.
It is an arithmetic number, because the mean of its divisors is an integer number (1893888).
Almost surely, 213220011 is an apocalyptic number.
13220011 is a deficient number, since it is larger than the sum of its proper divisors (1931093).
13220011 is an equidigital number, since it uses as much as digits as its factorization.
13220011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5321.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 13220011 is about 3635.9333052189. The cubic root of 13220011 is about 236.4525156199.
Adding to 13220011 its reverse (11002231), we get a palindrome (24222242).
The spelling of 13220011 in words is "thirteen million, two hundred twenty thousand, eleven".
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