Base | Representation |
---|---|
bin | 10110101110101111… |
… | …01011101001101110 |
3 | 1011111110120000220021 |
4 | 23113113223221232 |
5 | 144443012303032 |
6 | 5334525512354 |
7 | 611256602155 |
oct | 132727535156 |
9 | 34443500807 |
10 | 12203244142 |
11 | 51a245aa41 |
12 | 2446a126ba |
13 | 11c62b662b |
14 | 83aa0659c |
15 | 4b651b097 |
hex | 2d75eba6e |
12203244142 has 8 divisors (see below), whose sum is σ = 18313643376. Its totient is φ = 6098696352.
The previous prime is 12203244139. The next prime is 12203244233. The reversal of 12203244142 is 24144230221.
It is a sphenic number, since it is the product of 3 distinct primes.
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, 1457643 + ... + 1465990.
It is an arithmetic number, because the mean of its divisors is an integer number (2289205422).
Almost surely, 212203244142 is an apocalyptic number.
12203244142 is a deficient number, since it is larger than the sum of its proper divisors (6110399234).
12203244142 is a wasteful number, since it uses less digits than its factorization.
12203244142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2925722.
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 12203244142 its reverse (24144230221), we get a palindrome (36347474363).
The spelling of 12203244142 in words is "twelve billion, two hundred three million, two hundred forty-four thousand, one hundred forty-two".
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