Base | Representation |
---|---|
bin | 101101110111… |
… | …110100001101 |
3 | 211121221100010 |
4 | 231313310031 |
5 | 11034300401 |
6 | 1105423433 |
7 | 204132414 |
oct | 55676415 |
9 | 24557303 |
10 | 12025101 |
11 | 6873700 |
12 | 403ab79 |
13 | 265055a |
14 | 185047b |
15 | 10c7ed6 |
hex | b77d0d |
12025101 has 24 divisors (see below), whose sum is σ = 17819872. Its totient is φ = 7207200.
The previous prime is 12025061. The next prime is 12025109. The reversal of 12025101 is 10152021.
It is not a de Polignac number, because 12025101 - 219 = 11500813 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12025109) 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, 56886 + ... + 57096.
Almost surely, 212025101 is an apocalyptic number.
12025101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12025101 is a deficient number, since it is larger than the sum of its proper divisors (5794771).
12025101 is a wasteful number, since it uses less digits than its factorization.
12025101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 393 (or 382 counting only the distinct ones).
The product of its (nonzero) digits is 20, while the sum is 12.
The square root of 12025101 is about 3467.7227397818. The cubic root of 12025101 is about 229.1023677387.
Adding to 12025101 its reverse (10152021), we get a palindrome (22177122).
Subtracting from 12025101 its reverse (10152021), we obtain a triangular number (1873080 = T1935).
The spelling of 12025101 in words is "twelve million, twenty-five thousand, one hundred one".
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