Base | Representation |
---|---|
bin | 111101001100101001… |
… | …1110101110110100001 |
3 | 110120012222001100022100 |
4 | 1322121103311312201 |
5 | 4123122302243431 |
6 | 140212443001013 |
7 | 12331511131605 |
oct | 1723123656641 |
9 | 416188040270 |
10 | 131421134241 |
11 | 5080a893341 |
12 | 21578809169 |
13 | c515442a77 |
14 | 650a11d505 |
15 | 36429d04e6 |
hex | 1e994f5da1 |
131421134241 has 6 divisors (see below), whose sum is σ = 189830527250. Its totient is φ = 87614089488.
The previous prime is 131421134227. The next prime is 131421134263. The reversal of 131421134241 is 142431124131.
It is a happy number.
131421134241 is a `hidden beast` number, since 1 + 314 + 2 + 1 + 1 + 342 + 4 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 78122486016 + 53298648225 = 279504^2 + 230865^2 .
It is not a de Polignac number, because 131421134241 - 26 = 131421134177 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131421134291) 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, 7301174116 + ... + 7301174133.
Almost surely, 2131421134241 is an apocalyptic number.
It is an amenable number.
131421134241 is a deficient number, since it is larger than the sum of its proper divisors (58409393009).
131421134241 is a wasteful number, since it uses less digits than its factorization.
131421134241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14602348255 (or 14602348252 counting only the distinct ones).
The product of its digits is 2304, while the sum is 27.
Adding to 131421134241 its reverse (142431124131), we get a palindrome (273852258372).
The spelling of 131421134241 in words is "one hundred thirty-one billion, four hundred twenty-one million, one hundred thirty-four thousand, two hundred forty-one".
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