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11310009 = 33123923
BaseRepresentation
bin101011001001…
…001110111001
3210021121102020
4223021032321
510343410014
61042225053
7165063534
oct53111671
923247366
1011310009
116425417
123955189
13245cc19
141705a1b
15ed61a9
hexac93b9

11310009 has 12 divisors (see below), whose sum is σ = 15586128. Its totient is φ = 7294920.

The previous prime is 11309999. The next prime is 11310011. The reversal of 11310009 is 90001311.

11310009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11310009 - 212 = 11305913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11310009.

It is not an unprimeable number, because it can be changed into a prime (11310059) 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 11 ways as a sum of consecutive naturals, for example, 922 + ... + 4844.

It is an arithmetic number, because the mean of its divisors is an integer number (1298844).

Almost surely, 211310009 is an apocalyptic number.

It is an amenable number.

11310009 is a deficient number, since it is larger than the sum of its proper divisors (4276119).

11310009 is an equidigital number, since it uses as much as digits as its factorization.

11310009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988 (or 3957 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 11310009 is about 3363.0356822371. The cubic root of 11310009 is about 224.4679378752.

The spelling of 11310009 in words is "eleven million, three hundred ten thousand, nine".

Divisors: 1 3 31 93 961 2883 3923 11769 121613 364839 3770003 11310009