Base | Representation |
---|---|
bin | 111101000110011011… |
… | …0100001100101001001 |
3 | 110112200101202110000120 |
4 | 1322030312201211021 |
5 | 4122210300404231 |
6 | 140140015053453 |
7 | 12323362432011 |
oct | 1721466414511 |
9 | 415611673016 |
10 | 131212122441 |
11 | 50712905714 |
12 | 2151a811289 |
13 | c4b105194a |
14 | 64ca472c41 |
15 | 362e495d96 |
hex | 1e8cda1949 |
131212122441 has 8 divisors (see below), whose sum is σ = 180593028864. Its totient is φ = 84652982160.
The previous prime is 131212122383. The next prime is 131212122551. The reversal of 131212122441 is 144221212131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131212122441 - 214 = 131212106057 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131212122641) 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, 705441426 + ... + 705441611.
It is an arithmetic number, because the mean of its divisors is an integer number (22574128608).
Almost surely, 2131212122441 is an apocalyptic number.
It is an amenable number.
131212122441 is a deficient number, since it is larger than the sum of its proper divisors (49380906423).
131212122441 is a wasteful number, since it uses less digits than its factorization.
131212122441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1410883071.
The product of its digits is 768, while the sum is 24.
Adding to 131212122441 its reverse (144221212131), we get a palindrome (275433334572).
The spelling of 131212122441 in words is "one hundred thirty-one billion, two hundred twelve million, one hundred twenty-two thousand, four hundred forty-one".
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