Base | Representation |
---|---|
bin | 10110110010000100… |
… | …11101001010100101 |
3 | 1011120102020002001120 |
4 | 23121002131022211 |
5 | 200022143443323 |
6 | 5341405444153 |
7 | 612046526652 |
oct | 133102351245 |
9 | 34512202046 |
10 | 12231234213 |
11 | 5207238330 |
12 | 2454270659 |
13 | 11cc0367c3 |
14 | 840610c29 |
15 | 4b8be95e3 |
hex | 2d909d2a5 |
12231234213 has 16 divisors (see below), whose sum is σ = 18404366400. Its totient is φ = 7157252480.
The previous prime is 12231234209. The next prime is 12231234217. The reversal of 12231234213 is 31243213221.
It is an interprime number because it is at equal distance from previous prime (12231234209) and next prime (12231234217).
It is a cyclic number.
It is not a de Polignac number, because 12231234213 - 22 = 12231234209 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12231234217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6389448 + ... + 6391361.
It is an arithmetic number, because the mean of its divisors is an integer number (1150272900).
Almost surely, 212231234213 is an apocalyptic number.
It is an amenable number.
12231234213 is a deficient number, since it is larger than the sum of its proper divisors (6173132187).
12231234213 is a wasteful number, since it uses less digits than its factorization.
12231234213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12780852.
The product of its digits is 1728, while the sum is 24.
Adding to 12231234213 its reverse (31243213221), we get a palindrome (43474447434).
The spelling of 12231234213 in words is "twelve billion, two hundred thirty-one million, two hundred thirty-four thousand, two hundred thirteen".
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