Base | Representation |
---|---|
bin | 101110001010… |
… | …111000101110 |
3 | 211202220111012 |
4 | 232022320232 |
5 | 11044300324 |
6 | 1111225222 |
7 | 204606224 |
oct | 56127056 |
9 | 24686435 |
10 | 12103214 |
11 | 6917362 |
12 | 4078212 |
13 | 2679c86 |
14 | 1870b14 |
15 | 10e120e |
hex | b8ae2e |
12103214 has 4 divisors (see below), whose sum is σ = 18154824. Its totient is φ = 6051606.
The previous prime is 12103213. The next prime is 12103243. The reversal of 12103214 is 41230121.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41230121 = 2837 ⋅14533.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12103213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025802 + ... + 3025805.
It is an arithmetic number, because the mean of its divisors is an integer number (4538706).
Almost surely, 212103214 is an apocalyptic number.
12103214 is a deficient number, since it is larger than the sum of its proper divisors (6051610).
12103214 is an equidigital number, since it uses as much as digits as its factorization.
12103214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6051609.
The product of its (nonzero) digits is 48, while the sum is 14.
The square root of 12103214 is about 3478.9673755297. The cubic root of 12103214 is about 229.5973674058.
Adding to 12103214 its reverse (41230121), we get a palindrome (53333335).
The spelling of 12103214 in words is "twelve million, one hundred three thousand, two hundred fourteen".
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