Base | Representation |
---|---|
bin | 101110010000… |
… | …101111100010 |
3 | 211211010101122 |
4 | 232100233202 |
5 | 11101032302 |
6 | 1111532242 |
7 | 205036163 |
oct | 56205742 |
9 | 24733348 |
10 | 12127202 |
11 | 693338a |
12 | 408a082 |
13 | 2687b79 |
14 | 187976a |
15 | 10e83a2 |
hex | b90be2 |
12127202 has 4 divisors (see below), whose sum is σ = 18190806. Its totient is φ = 6063600.
The previous prime is 12127183. The next prime is 12127207. The reversal of 12127202 is 20272121.
12127202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20272121 = 127 ⋅159623.
It can be written as a sum of positive squares in only one way, i.e., 8708401 + 3418801 = 2951^2 + 1849^2 .
It is not an unprimeable number, because it can be changed into a prime (12127207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3031799 + ... + 3031802.
Almost surely, 212127202 is an apocalyptic number.
12127202 is a deficient number, since it is larger than the sum of its proper divisors (6063604).
12127202 is an equidigital number, since it uses as much as digits as its factorization.
12127202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6063603.
The product of its (nonzero) digits is 112, while the sum is 17.
The square root of 12127202 is about 3482.4132437148. The cubic root of 12127202 is about 229.7489510282.
Adding to 12127202 its reverse (20272121), we get a palindrome (32399323).
The spelling of 12127202 in words is "twelve million, one hundred twenty-seven thousand, two hundred two".
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