Base | Representation |
---|---|
bin | 110001101000… |
… | …100100110111 |
3 | 220111001002100 |
4 | 301220210313 |
5 | 11312330010 |
6 | 1142513143 |
7 | 215410455 |
oct | 61504467 |
9 | 26431070 |
10 | 13011255 |
11 | 7387604 |
12 | 44357b3 |
13 | 290738a |
14 | 1a299d5 |
15 | 12202c0 |
hex | c68937 |
13011255 has 12 divisors (see below), whose sum is σ = 22552920. Its totient is φ = 6939312.
The previous prime is 13011253. The next prime is 13011281. The reversal of 13011255 is 55211031.
13011255 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13011255 - 21 = 13011253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13011253) 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, 144525 + ... + 144614.
It is an arithmetic number, because the mean of its divisors is an integer number (1879410).
Almost surely, 213011255 is an apocalyptic number.
13011255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13011255 is a deficient number, since it is larger than the sum of its proper divisors (9541665).
13011255 is a wasteful number, since it uses less digits than its factorization.
13011255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 289150 (or 289147 counting only the distinct ones).
The product of its (nonzero) digits is 150, while the sum is 18.
The square root of 13011255 is about 3607.1117254668. Note that the first 3 decimals coincide. The cubic root of 13011255 is about 235.2013063061.
Adding to 13011255 its reverse (55211031), we get a palindrome (68222286).
It can be divided in two parts, 1301 and 1255, that added together give a triangular number (2556 = T71).
The spelling of 13011255 in words is "thirteen million, eleven thousand, two hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •