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13121119 = 112108439
BaseRepresentation
bin110010000011…
…011001011111
3220200121210101
4302003121133
511324333434
61145121531
7216345664
oct62033137
926617711
1013121119
117452100
1244892a7
13294539b
141a57a6b
151242b14
hexc8365f

13121119 has 6 divisors (see below), whose sum is σ = 14422520. Its totient is φ = 11928180.

The previous prime is 13121117. The next prime is 13121159. The reversal of 13121119 is 91112131.

13121119 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 13121119 - 21 = 13121117 is a prime.

It is a super-2 number, since 2×131211192 = 344327527624322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13121096 and 13121105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121117) 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 5 ways as a sum of consecutive naturals, for example, 54099 + ... + 54340.

Almost surely, 213121119 is an apocalyptic number.

13121119 is a deficient number, since it is larger than the sum of its proper divisors (1301401).

13121119 is a wasteful number, since it uses less digits than its factorization.

13121119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108461 (or 108450 counting only the distinct ones).

The product of its digits is 54, while the sum is 19.

The square root of 13121119 is about 3622.3085180586. The cubic root of 13121119 is about 235.8614467297.

The spelling of 13121119 in words is "thirteen million, one hundred twenty-one thousand, one hundred nineteen".

Divisors: 1 11 121 108439 1192829 13121119