Base | Representation |
---|---|
bin | 10110100110001000… |
… | …11110101011100101 |
3 | 1011022102210210200100 |
4 | 23103010132223211 |
5 | 144321030221123 |
6 | 5323431334313 |
7 | 606422442414 |
oct | 132304365345 |
9 | 34272723610 |
10 | 12131101413 |
11 | 5165766052 |
12 | 2426821399 |
13 | 11b4377722 |
14 | 8311c747b |
15 | 4b001a643 |
hex | 2d311eae5 |
12131101413 has 6 divisors (see below), whose sum is σ = 17522702054. Its totient is φ = 8087400936.
The previous prime is 12131101403. The next prime is 12131101421. The reversal of 12131101413 is 31410113121.
It is a happy number.
12131101413 is a `hidden beast` number, since 121 + 31 + 101 + 413 = 666.
It can be written as a sum of positive squares in only one way, i.e., 11986308324 + 144793089 = 109482^2 + 12033^2 .
It is not a de Polignac number, because 12131101413 - 216 = 12131035877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12131101403) 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, 673950070 + ... + 673950087.
Almost surely, 212131101413 is an apocalyptic number.
It is an amenable number.
12131101413 is a deficient number, since it is larger than the sum of its proper divisors (5391600641).
12131101413 is a wasteful number, since it uses less digits than its factorization.
12131101413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1347900163 (or 1347900160 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 12131101413 its reverse (31410113121), we get a palindrome (43541214534).
The spelling of 12131101413 in words is "twelve billion, one hundred thirty-one million, one hundred one thousand, four hundred thirteen".
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