Base | Representation |
---|---|
bin | 110001001110… |
… | …101001011010 |
3 | 220021122101211 |
4 | 301032221122 |
5 | 11300430200 |
6 | 1140333334 |
7 | 214456024 |
oct | 61165132 |
9 | 26248354 |
10 | 12905050 |
11 | 7314834 |
12 | 43a424a |
13 | 289ac32 |
14 | 19dd014 |
15 | 11edaba |
hex | c4ea5a |
12905050 has 12 divisors (see below), whose sum is σ = 24003486. Its totient is φ = 5162000.
The previous prime is 12905041. The next prime is 12905063. The reversal of 12905050 is 5050921.
12905050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 8755681 + 4149369 = 2959^2 + 2037^2 .
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129001 + ... + 129100.
Almost surely, 212905050 is an apocalyptic number.
12905050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12905050 is a deficient number, since it is larger than the sum of its proper divisors (11098436).
12905050 is a wasteful number, since it uses less digits than its factorization.
12905050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258113 (or 258108 counting only the distinct ones).
The product of its (nonzero) digits is 450, while the sum is 22.
The square root of 12905050 is about 3592.3599485575. The cubic root of 12905050 is about 234.5596098097.
Adding to 12905050 its reverse (5050921), we get a palindrome (17955971).
The spelling of 12905050 in words is "twelve million, nine hundred five thousand, fifty".
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