Base | Representation |
---|---|
bin | 101110010001… |
… | …011110101110 |
3 | 211211021112111 |
4 | 232101132232 |
5 | 11101131342 |
6 | 1111554234 |
7 | 205051036 |
oct | 56213656 |
9 | 24737474 |
10 | 12130222 |
11 | 6935685 |
12 | 408b97a |
13 | 2689360 |
14 | 187a8c6 |
15 | 10e9217 |
hex | b917ae |
12130222 has 8 divisors (see below), whose sum is σ = 19595016. Its totient is φ = 5598552.
The previous prime is 12130169. The next prime is 12130259. The reversal of 12130222 is 22203121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233248 + ... + 233299.
It is an arithmetic number, because the mean of its divisors is an integer number (2449377).
Almost surely, 212130222 is an apocalyptic number.
12130222 is a deficient number, since it is larger than the sum of its proper divisors (7464794).
12130222 is a wasteful number, since it uses less digits than its factorization.
12130222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466562.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 12130222 is about 3482.8468240794. The cubic root of 12130222 is about 229.7680206713.
Adding to 12130222 its reverse (22203121), we get a palindrome (34333343).
The spelling of 12130222 in words is "twelve million, one hundred thirty thousand, two hundred twenty-two".
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