Base | Representation |
---|---|
bin | 110001101000… |
… | …101000100101 |
3 | 220111001102011 |
4 | 301220220211 |
5 | 11312331433 |
6 | 1142514221 |
7 | 215411245 |
oct | 61505045 |
9 | 26431364 |
10 | 13011493 |
11 | 7387800 |
12 | 4435971 |
13 | 2907511 |
14 | 1a29b25 |
15 | 12203cd |
hex | c68a25 |
13011493 has 12 divisors (see below), whose sum is σ = 14402304. Its totient is φ = 11745800.
The previous prime is 13011487. The next prime is 13011529. The reversal of 13011493 is 39411031.
It is not a de Polignac number, because 13011493 - 213 = 13003301 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13011463) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22830 + ... + 23392.
It is an arithmetic number, because the mean of its divisors is an integer number (1200192).
Almost surely, 213011493 is an apocalyptic number.
It is an amenable number.
13011493 is a deficient number, since it is larger than the sum of its proper divisors (1390811).
13011493 is a wasteful number, since it uses less digits than its factorization.
13011493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 776 (or 765 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 22.
The square root of 13011493 is about 3607.1447156997. The cubic root of 13011493 is about 235.2027403868.
The spelling of 13011493 in words is "thirteen million, eleven thousand, four hundred ninety-three".
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