Base | Representation |
---|---|
bin | 110010000001… |
… | …010111010110 |
3 | 220200012100220 |
4 | 302001113112 |
5 | 11324102130 |
6 | 1145015210 |
7 | 216312465 |
oct | 62012726 |
9 | 26605326 |
10 | 13112790 |
11 | 7446919 |
12 | 4484506 |
13 | 2941662 |
14 | 1a549dc |
15 | 1240410 |
hex | c815d6 |
13112790 has 16 divisors (see below), whose sum is σ = 31470768. Its totient is φ = 3496736.
The previous prime is 13112773. The next prime is 13112819. The reversal of 13112790 is 9721131.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 13112790.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218517 + ... + 218576.
It is an arithmetic number, because the mean of its divisors is an integer number (1966923).
Almost surely, 213112790 is an apocalyptic number.
13112790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13112790 is an abundant number, since it is smaller than the sum of its proper divisors (18357978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13112790 is a wasteful number, since it uses less digits than its factorization.
13112790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 437103.
The product of its (nonzero) digits is 378, while the sum is 24.
The square root of 13112790 is about 3621.1586543536. The cubic root of 13112790 is about 235.8115295997.
It can be divided in two parts, 131 and 12790, that added together give a palindrome (12921).
The spelling of 13112790 in words is "thirteen million, one hundred twelve thousand, seven hundred ninety".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •