Base | Representation |
---|---|
bin | 110000101000… |
… | …111100111010 |
3 | 212222210121022 |
4 | 300220330322 |
5 | 11231010100 |
6 | 1133142442 |
7 | 213243623 |
oct | 60507472 |
9 | 25883538 |
10 | 12750650 |
11 | 7219830 |
12 | 432aa22 |
13 | 2845883 |
14 | 199ca4a |
15 | 11bce85 |
hex | c28f3a |
12750650 has 48 divisors (see below), whose sum is σ = 26248320. Its totient is φ = 4569600.
The previous prime is 12750643. The next prime is 12750659. The reversal of 12750650 is 5605721.
12750650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (12750659) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53231 + ... + 53469.
It is an arithmetic number, because the mean of its divisors is an integer number (546840).
Almost surely, 212750650 is an apocalyptic number.
12750650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12750650 is an abundant number, since it is smaller than the sum of its proper divisors (13497670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12750650 is a wasteful number, since it uses less digits than its factorization.
12750650 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 359 (or 354 counting only the distinct ones).
The product of its (nonzero) digits is 2100, while the sum is 26.
The square root of 12750650 is about 3570.8052313169. The cubic root of 12750650 is about 233.6204063028.
Subtracting from 12750650 its reverse (5605721), we obtain a square (7144929 = 26732).
The spelling of 12750650 in words is "twelve million, seven hundred fifty thousand, six hundred fifty".
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