Base | Representation |
---|---|
bin | 1011011010000111110110… |
… | …1000001110111011001101 |
3 | 1122102010201222000020101020 |
4 | 2312201331220032323031 |
5 | 3121002402011000323 |
6 | 42402210343304353 |
7 | 2433142306354113 |
oct | 266417550167315 |
9 | 48363658006336 |
10 | 12543412203213 |
11 | 3aa66a42010a1 |
12 | 14a6bb744b0b9 |
13 | 6ccab97c9368 |
14 | 315166635ab3 |
15 | 16b439da3ae3 |
hex | b687da0eecd |
12543412203213 has 8 divisors (see below), whose sum is σ = 16760362346208. Its totient is φ = 8344368431184.
The previous prime is 12543412203211. The next prime is 12543412203221. The reversal of 12543412203213 is 31230221434521.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12543412203213 - 21 = 12543412203211 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12543412203211) 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, 4476591106 + ... + 4476593907.
It is an arithmetic number, because the mean of its divisors is an integer number (2095045293276).
Almost surely, 212543412203213 is an apocalyptic number.
It is an amenable number.
12543412203213 is a deficient number, since it is larger than the sum of its proper divisors (4216950142995).
12543412203213 is an equidigital number, since it uses as much as digits as its factorization.
12543412203213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8953185483.
The product of its (nonzero) digits is 34560, while the sum is 33.
Adding to 12543412203213 its reverse (31230221434521), we get a palindrome (43773633637734).
The spelling of 12543412203213 in words is "twelve trillion, five hundred forty-three billion, four hundred twelve million, two hundred three thousand, two hundred thirteen".
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