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13153105 = 57677179
BaseRepresentation
bin110010001011…
…001101010001
3220202020200001
4302023031101
511331344410
61145530001
7216541150
oct62131521
926666601
1013153105
117474139
1244a3901
132956b04
141a65597
15124c33a
hexc8b351

13153105 has 32 divisors (see below), whose sum is σ = 18800640. Its totient is φ = 8648640.

The previous prime is 13153097. The next prime is 13153109. The reversal of 13153105 is 50135131.

It is not a de Polignac number, because 13153105 - 23 = 13153097 is a prime.

It is a super-2 number, since 2×131531052 = 346008342282050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13153109) 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 31 ways as a sum of consecutive naturals, for example, 166456 + ... + 166534.

It is an arithmetic number, because the mean of its divisors is an integer number (587520).

Almost surely, 213153105 is an apocalyptic number.

It is an amenable number.

13153105 is a deficient number, since it is larger than the sum of its proper divisors (5647535).

13153105 is an equidigital number, since it uses as much as digits as its factorization.

13153105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 13153105 is about 3626.7209707944. The cubic root of 13153105 is about 236.0529482366.

Adding to 13153105 its reverse (50135131), we get a palindrome (63288236).

The spelling of 13153105 in words is "thirteen million, one hundred fifty-three thousand, one hundred five".

Divisors: 1 5 7 35 67 71 79 335 355 395 469 497 553 2345 2485 2765 4757 5293 5609 23785 26465 28045 33299 37051 39263 166495 185255 196315 375803 1879015 2630621 13153105