Base | Representation |
---|---|
bin | 101110010110… |
… | …010111101111 |
3 | 211212022000110 |
4 | 232112113233 |
5 | 11102302010 |
6 | 1112231103 |
7 | 205163325 |
oct | 56262757 |
9 | 24768013 |
10 | 12150255 |
11 | 6949737 |
12 | 409b493 |
13 | 2695500 |
14 | 1883d15 |
15 | 1100120 |
hex | b965ef |
12150255 has 24 divisors (see below), whose sum is σ = 21055248. Its totient is φ = 5980416.
The previous prime is 12150247. The next prime is 12150263. The reversal of 12150255 is 55205121.
12150255 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12150247) and next prime (12150263).
It is not a de Polignac number, because 12150255 - 23 = 12150247 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139 + ... + 4931.
It is an arithmetic number, because the mean of its divisors is an integer number (877302).
Almost surely, 212150255 is an apocalyptic number.
12150255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12150255 is a deficient number, since it is larger than the sum of its proper divisors (8904993).
12150255 is a wasteful number, since it uses less digits than its factorization.
12150255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4827 (or 4814 counting only the distinct ones).
The product of its (nonzero) digits is 500, while the sum is 21.
The square root of 12150255 is about 3485.7215895708. The cubic root of 12150255 is about 229.8944380106.
Adding to 12150255 its reverse (55205121), we get a palindrome (67355376).
The spelling of 12150255 in words is "twelve million, one hundred fifty thousand, two hundred fifty-five".
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