Base | Representation |
---|---|
bin | 110001101000… |
… | …110101000000 |
3 | 220111002111121 |
4 | 301220311000 |
5 | 11312343123 |
6 | 1142522024 |
7 | 215413462 |
oct | 61506500 |
9 | 26432447 |
10 | 13012288 |
11 | 7388363 |
12 | 4436314 |
13 | 29079a3 |
14 | 1a2a132 |
15 | 122075d |
hex | c68d40 |
13012288 has 14 divisors (see below), whose sum is σ = 25821386. Its totient is φ = 6506112.
The previous prime is 13012261. The next prime is 13012291. The reversal of 13012288 is 88221031.
It can be written as a sum of positive squares in only one way, i.e., 12446784 + 565504 = 3528^2 + 752^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101595 + ... + 101722.
Almost surely, 213012288 is an apocalyptic number.
It is an amenable number.
13012288 is a deficient number, since it is larger than the sum of its proper divisors (12809098).
13012288 is an equidigital number, since it uses as much as digits as its factorization.
13012288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203329 (or 203319 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 25.
The square root of 13012288 is about 3607.2549119795. The cubic root of 13012288 is about 235.2075305717.
The spelling of 13012288 in words is "thirteen million, twelve thousand, two hundred eighty-eight".
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