Base | Representation |
---|---|
bin | 110001101000… |
… | …100010110100 |
3 | 220111000220111 |
4 | 301220202310 |
5 | 11312323444 |
6 | 1142512404 |
7 | 215410210 |
oct | 61504264 |
9 | 26430814 |
10 | 13011124 |
11 | 73874a5 |
12 | 4435704 |
13 | 29072b9 |
14 | 1a29940 |
15 | 1220234 |
hex | c688b4 |
13011124 has 48 divisors (see below), whose sum is σ = 28174720. Its totient is φ = 5132160.
The previous prime is 13011121. The next prime is 13011133. The reversal of 13011124 is 42111031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13011121) 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, 19354 + ... + 20014.
Almost surely, 213011124 is an apocalyptic number.
13011124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13011124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14087360).
13011124 is an abundant number, since it is smaller than the sum of its proper divisors (15163596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13011124 is a wasteful number, since it uses less digits than its factorization.
13011124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 728 (or 726 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 13011124 is about 3607.0935668485. The cubic root of 13011124 is about 235.2005169517.
Adding to 13011124 its reverse (42111031), we get a palindrome (55122155).
The spelling of 13011124 in words is "thirteen million, eleven thousand, one hundred twenty-four".
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