Base | Representation |
---|---|
bin | 10110101110101111… |
… | …01000101101100110 |
3 | 1011111110112102101100 |
4 | 23113113220231212 |
5 | 144443011411402 |
6 | 5334525340530 |
7 | 611256522105 |
oct | 132727505546 |
9 | 34443472340 |
10 | 12203232102 |
11 | 51a2451996 |
12 | 2446a07746 |
13 | 11c62b0cc9 |
14 | 83aa0203c |
15 | 4b651771c |
hex | 2d75e8b66 |
12203232102 has 12 divisors (see below), whose sum is σ = 26440336260. Its totient is φ = 4067744028.
The previous prime is 12203232091. The next prime is 12203232109. The reversal of 12203232102 is 20123230221.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 677957339 = 12203232102 / (1 + 2 + 2 + 0 + 3 + 2 + 3 + 2 + 1 + 0 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12203232109) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338978652 + ... + 338978687.
It is an arithmetic number, because the mean of its divisors is an integer number (2203361355).
Almost surely, 212203232102 is an apocalyptic number.
12203232102 is an abundant number, since it is smaller than the sum of its proper divisors (14237104158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12203232102 is a wasteful number, since it uses less digits than its factorization.
12203232102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 677957347 (or 677957344 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 12203232102 its reverse (20123230221), we get a palindrome (32326462323).
The spelling of 12203232102 in words is "twelve billion, two hundred three million, two hundred thirty-two thousand, one hundred two".
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