Base | Representation |
---|---|
bin | 10110010010110010… |
… | …10001110110010001 |
3 | 1010220010101002220121 |
4 | 23021121101312101 |
5 | 144003002003323 |
6 | 5255352310241 |
7 | 602411652220 |
oct | 131131216621 |
9 | 33803332817 |
10 | 11968781713 |
11 | 5092079939 |
12 | 23a03a2381 |
13 | 1189854175 |
14 | 817812cb7 |
15 | 4a0b55a5d |
hex | 2c9651d91 |
11968781713 has 8 divisors (see below), whose sum is σ = 13910448960. Its totient is φ = 10085074800.
The previous prime is 11968781707. The next prime is 11968781731. The reversal of 11968781713 is 31718786911.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 11968781713 - 229 = 11431910801 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (11968781743) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14489638 + ... + 14490463.
It is an arithmetic number, because the mean of its divisors is an integer number (1738806120).
Almost surely, 211968781713 is an apocalyptic number.
It is an amenable number.
11968781713 is a deficient number, since it is larger than the sum of its proper divisors (1941667247).
11968781713 is an equidigital number, since it uses as much as digits as its factorization.
11968781713 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28980167.
The product of its digits is 508032, while the sum is 52.
The spelling of 11968781713 in words is "eleven billion, nine hundred sixty-eight million, seven hundred eighty-one thousand, seven hundred thirteen".
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