Base | Representation |
---|---|
bin | 110001101010… |
… | …001110111100 |
3 | 220111101101210 |
4 | 301222032330 |
5 | 11313034134 |
6 | 1143004420 |
7 | 215436324 |
oct | 61521674 |
9 | 26441353 |
10 | 13018044 |
11 | 7391716 |
12 | 4439710 |
13 | 290a4b0 |
14 | 1a2c284 |
15 | 12222e9 |
hex | c6a3bc |
13018044 has 24 divisors (see below), whose sum is σ = 32712400. Its totient is φ = 4005504.
The previous prime is 13018037. The next prime is 13018051. The reversal of 13018044 is 44081031.
It is an interprime number because it is at equal distance from previous prime (13018037) and next prime (13018051).
It is a self number, because there is not a number n which added to its sum of digits gives 13018044.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41569 + ... + 41880.
Almost surely, 213018044 is an apocalyptic number.
It is an amenable number.
13018044 is an abundant number, since it is smaller than the sum of its proper divisors (19694356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13018044 is a wasteful number, since it uses less digits than its factorization.
13018044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83469 (or 83467 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 13018044 is about 3608.0526603696. The cubic root of 13018044 is about 235.2422068963.
Adding to 13018044 its reverse (44081031), we get a palindrome (57099075).
The spelling of 13018044 in words is "thirteen million, eighteen thousand, forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •