Base | Representation |
---|---|
bin | 110000001011… |
… | …100011000011 |
3 | 212202200101121 |
4 | 300023203003 |
5 | 11213131321 |
6 | 1130413111 |
7 | 212232526 |
oct | 60134303 |
9 | 25680347 |
10 | 12630211 |
11 | 71472a0 |
12 | 4291197 |
13 | 2802ac9 |
14 | 196abbd |
15 | 1197441 |
hex | c0b8c3 |
12630211 has 8 divisors (see below), whose sum is σ = 13860144. Its totient is φ = 11413920.
The previous prime is 12630203. The next prime is 12630217. The reversal of 12630211 is 11203621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12630211 - 23 = 12630203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12630217) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416 + ... + 5221.
It is an arithmetic number, because the mean of its divisors is an integer number (1732518).
Almost surely, 212630211 is an apocalyptic number.
12630211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12630211 is a deficient number, since it is larger than the sum of its proper divisors (1229933).
12630211 is a wasteful number, since it uses less digits than its factorization.
12630211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6821.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 12630211 is about 3553.9008145980. The cubic root of 12630211 is about 232.8825075202.
Adding to 12630211 its reverse (11203621), we get a palindrome (23833832).
The spelling of 12630211 in words is "twelve million, six hundred thirty thousand, two hundred eleven".
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