Base | Representation |
---|---|
bin | 110001101000… |
… | …100010000011 |
3 | 220111000211200 |
4 | 301220202003 |
5 | 11312323300 |
6 | 1142512243 |
7 | 215410110 |
oct | 61504203 |
9 | 26430750 |
10 | 13011075 |
11 | 7387460 |
12 | 4435683 |
13 | 290727c |
14 | 1a29907 |
15 | 1220200 |
hex | c68883 |
13011075 has 72 divisors (see below), whose sum is σ = 29093376. Its totient is φ = 5400000.
The previous prime is 13011073. The next prime is 13011079. The reversal of 13011075 is 57011031.
It is a happy number.
It is not a de Polignac number, because 13011075 - 21 = 13011073 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13011071) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16950 + ... + 17700.
Almost surely, 213011075 is an apocalyptic number.
13011075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13011075 is an abundant number, since it is smaller than the sum of its proper divisors (16082301).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13011075 is a wasteful number, since it uses less digits than its factorization.
13011075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 785 (or 777 counting only the distinct ones).
The product of its (nonzero) digits is 105, while the sum is 18.
The square root of 13011075 is about 3607.0867746701. The cubic root of 13011075 is about 235.2002216956.
The spelling of 13011075 in words is "thirteen million, eleven thousand, seventy-five".
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