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13117135 = 529611483
BaseRepresentation
bin110010000010…
…011011001111
3220200102022211
4302002123033
511324222020
61145051251
7216331243
oct62023317
926612284
1013117135
11744a109
124486b27
132943625
141a56423
15124185a
hexc826cf

13117135 has 16 divisors (see below), whose sum is σ = 16561440. Its totient is φ = 9959040.

The previous prime is 13117133. The next prime is 13117141. The reversal of 13117135 is 53171131.

13117135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13117135 - 21 = 13117133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13117133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8104 + ... + 9586.

It is an arithmetic number, because the mean of its divisors is an integer number (1035090).

Almost surely, 213117135 is an apocalyptic number.

13117135 is a deficient number, since it is larger than the sum of its proper divisors (3444305).

13117135 is a wasteful number, since it uses less digits than its factorization.

13117135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578.

The product of its digits is 315, while the sum is 22.

The square root of 13117135 is about 3621.7585507596. The cubic root of 13117135 is about 235.8375725687.

Adding to 13117135 its reverse (53171131), we get a palindrome (66288266).

The spelling of 13117135 in words is "thirteen million, one hundred seventeen thousand, one hundred thirty-five".

Divisors: 1 5 29 61 145 305 1483 1769 7415 8845 43007 90463 215035 452315 2623427 13117135