Base | Representation |
---|---|
bin | 10110010010101101… |
… | …11100100111111101 |
3 | 1010220002020001110211 |
4 | 23021112330213331 |
5 | 144002322423433 |
6 | 5255331232421 |
7 | 602403525226 |
oct | 131126744775 |
9 | 33802201424 |
10 | 11968170493 |
11 | 50917a16a4 |
12 | 23a0148711 |
13 | 118969bbb6 |
14 | 8176d424d |
15 | 4a0a848cd |
hex | 2c95bc9fd |
11968170493 has 8 divisors (see below), whose sum is σ = 12845773368. Its totient is φ = 11109855744.
The previous prime is 11968170481. The next prime is 11968170563. The reversal of 11968170493 is 39407186911.
It can be written as a sum of positive squares in 4 ways, for example, as 2824603609 + 9143566884 = 53147^2 + 95622^2 .
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 11968170493 - 221 = 11966073341 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 (11968170793) 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, 4820746 + ... + 4823227.
It is an arithmetic number, because the mean of its divisors is an integer number (1605721671).
Almost surely, 211968170493 is an apocalyptic number.
It is an amenable number.
11968170493 is a deficient number, since it is larger than the sum of its proper divisors (877602875).
11968170493 is an equidigital number, since it uses as much as digits as its factorization.
11968170493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9644063.
The product of its (nonzero) digits is 326592, while the sum is 49.
The spelling of 11968170493 in words is "eleven billion, nine hundred sixty-eight million, one hundred seventy thousand, four hundred ninety-three".
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