Base | Representation |
---|---|
bin | 11101110101010010001110… |
… | …101001100111111001101111 |
3 | 122012120002011211011002200101 |
4 | 131311102032221213321233 |
5 | 114144130422340443343 |
6 | 1143014434140211531 |
7 | 36431152361533324 |
oct | 3565221651477157 |
9 | 565502154132611 |
10 | 131205054234223 |
11 | 388958296742a2 |
12 | 12870503239ba7 |
13 | 582977800a218 |
14 | 2458503a64b4b |
15 | 1027e27d4ee4d |
hex | 77548ea67e6f |
131205054234223 has 16 divisors (see below), whose sum is σ = 145156156102656. Its totient is φ = 117960823728000.
The previous prime is 131205054234209. The next prime is 131205054234229. The reversal of 131205054234223 is 322432450502131.
It is a de Polignac number, because none of the positive numbers 2k-131205054234223 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 (131205054234229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223117011 + ... + 223704292.
It is an arithmetic number, because the mean of its divisors is an integer number (9072259756416).
Almost surely, 2131205054234223 is an apocalyptic number.
131205054234223 is a deficient number, since it is larger than the sum of its proper divisors (13951101868433).
131205054234223 is a wasteful number, since it uses less digits than its factorization.
131205054234223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 446822094.
The product of its (nonzero) digits is 172800, while the sum is 37.
The spelling of 131205054234223 in words is "one hundred thirty-one trillion, two hundred five billion, fifty-four million, two hundred thirty-four thousand, two hundred twenty-three".
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