Base | Representation |
---|---|
bin | 11101110101011000111011… |
… | …000001111000110001000011 |
3 | 122012120202201200202222120011 |
4 | 131311120323001320301003 |
5 | 114144240132224240303 |
6 | 1143022023234525351 |
7 | 36431525441232301 |
oct | 3565307301706103 |
9 | 565522650688504 |
10 | 131212241243203 |
11 | 3889888753853a |
12 | 1287198a136857 |
13 | 582a351c9c363 |
14 | 24589c6381271 |
15 | 10281e8ca916d |
hex | 77563b078c43 |
131212241243203 has 8 divisors (see below), whose sum is σ = 131901227539200. Its totient is φ = 130523551230600.
The previous prime is 131212241243191. The next prime is 131212241243297. The reversal of 131212241243203 is 302342142212131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131212241243203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131212241273203) 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, 73182775 + ... + 74954272.
It is an arithmetic number, because the mean of its divisors is an integer number (16487653442400).
Almost surely, 2131212241243203 is an apocalyptic number.
131212241243203 is a deficient number, since it is larger than the sum of its proper divisors (688986295997).
131212241243203 is a wasteful number, since it uses less digits than its factorization.
131212241243203 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 148141697.
The product of its (nonzero) digits is 13824, while the sum is 31.
Adding to 131212241243203 its reverse (302342142212131), we get a palindrome (433554383455334).
The spelling of 131212241243203 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred forty-one million, two hundred forty-three thousand, two hundred three".
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