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13015134 = 2331121911
BaseRepresentation
bin110001101001…
…100001011110
3220111020102000
4301221201132
511312441014
61142543130
7215424666
oct61514136
926436360
1013015134
11738a510
124437aa6
132909082
141a2b1a6
151221509
hexc6985e

13015134 has 32 divisors (see below), whose sum is σ = 31553280. Its totient is φ = 3943800.

The previous prime is 13015129. The next prime is 13015151. The reversal of 13015134 is 43151031.

13015134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10362 + ... + 11549.

It is an arithmetic number, because the mean of its divisors is an integer number (986040).

Almost surely, 213015134 is an apocalyptic number.

13015134 is an abundant number, since it is smaller than the sum of its proper divisors (18538146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13015134 is a wasteful number, since it uses less digits than its factorization.

13015134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21933 (or 21927 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 13015134 is about 3607.6493732069. The cubic root of 13015134 is about 235.2246772317.

Adding to 13015134 its reverse (43151031), we get a palindrome (56166165).

The spelling of 13015134 in words is "thirteen million, fifteen thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 21911 43822 65733 131466 197199 241021 394398 482042 591597 723063 1183194 1446126 2169189 4338378 6507567 13015134