Base | Representation |
---|---|
bin | 10101100011001000… |
… | …00111000111001101 |
3 | 1002212021001110210112 |
4 | 22301210013013031 |
5 | 142143123440031 |
6 | 5151551045405 |
7 | 556455415043 |
oct | 126144070715 |
9 | 32767043715 |
10 | 11568968141 |
11 | 49a7420aa5 |
12 | 22aa510865 |
13 | 1124a796a3 |
14 | 7ba69a393 |
15 | 47a9cc62b |
hex | 2b19071cd |
11568968141 has 4 divisors (see below), whose sum is σ = 11570440284. Its totient is φ = 11567496000.
The previous prime is 11568968113. The next prime is 11568968143. The reversal of 11568968141 is 14186986511.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 2724318025 + 8844650116 = 52195^2 + 94046^2 .
It is a cyclic number.
It is not a de Polignac number, because 11568968141 - 222 = 11564773837 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 11568968141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11568968143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724220 + ... + 740021.
It is an arithmetic number, because the mean of its divisors is an integer number (2892610071).
Almost surely, 211568968141 is an apocalyptic number.
It is an amenable number.
11568968141 is a deficient number, since it is larger than the sum of its proper divisors (1472143).
11568968141 is an equidigital number, since it uses as much as digits as its factorization.
11568968141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1472142.
The product of its digits is 414720, while the sum is 50.
The spelling of 11568968141 in words is "eleven billion, five hundred sixty-eight million, nine hundred sixty-eight thousand, one hundred forty-one".
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