Base | Representation |
---|---|
bin | 111101000110110001… |
… | …1111111110111111001 |
3 | 110112201020012001221210 |
4 | 1322031203333313321 |
5 | 4122221323334001 |
6 | 140141122353333 |
7 | 12323565650562 |
oct | 1721543776771 |
9 | 415636161853 |
10 | 131224043001 |
11 | 50719607817 |
12 | 215227bb849 |
13 | c4b366672c |
14 | 64cbc97169 |
15 | 363054cdd6 |
hex | 1e8d8ffdf9 |
131224043001 has 32 divisors (see below), whose sum is σ = 195064381440. Its totient is φ = 77980541184.
The previous prime is 131224042997. The next prime is 131224043011. The reversal of 131224043001 is 100340422131.
It is not a de Polignac number, because 131224043001 - 22 = 131224042997 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131224043011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3686776 + ... + 3722198.
It is an arithmetic number, because the mean of its divisors is an integer number (6095761920).
Almost surely, 2131224043001 is an apocalyptic number.
It is an amenable number.
131224043001 is a deficient number, since it is larger than the sum of its proper divisors (63840338439).
131224043001 is a wasteful number, since it uses less digits than its factorization.
131224043001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39285.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 131224043001 its reverse (100340422131), we get a palindrome (231564465132).
The spelling of 131224043001 in words is "one hundred thirty-one billion, two hundred twenty-four million, forty-three thousand, one".
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