Base | Representation |
---|---|
bin | 100000110000110010010100… |
… | …1010010110001001100110001 |
3 | 1101210100202020121002112112020 |
4 | 1001201210221102301030301 |
5 | 300233020333020230211 |
6 | 2500524041054222053 |
7 | 114462216600460062 |
oct | 10141445122611461 |
9 | 1353322217075466 |
10 | 288180113445681 |
11 | 83906555222266 |
12 | 283a32a0ab4929 |
13 | c4a5363cca2c2 |
14 | 5123dc5b44569 |
15 | 234b35d0a5306 |
hex | 10619294b1331 |
288180113445681 has 4 divisors (see below), whose sum is σ = 384240151260912. Its totient is φ = 192120075630452.
The previous prime is 288180113445643. The next prime is 288180113445689. The reversal of 288180113445681 is 186544311081882.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 288180113445681 - 26 = 288180113445617 is a prime.
It is a super-2 number, since 2×2881801134456812 (a number of 30 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (288180113445689) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48030018907611 + ... + 48030018907616.
It is an arithmetic number, because the mean of its divisors is an integer number (96060037815228).
Almost surely, 2288180113445681 is an apocalyptic number.
It is an amenable number.
288180113445681 is a deficient number, since it is larger than the sum of its proper divisors (96060037815231).
288180113445681 is an equidigital number, since it uses as much as digits as its factorization.
288180113445681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96060037815230.
The product of its (nonzero) digits is 11796480, while the sum is 60.
The spelling of 288180113445681 in words is "two hundred eighty-eight trillion, one hundred eighty billion, one hundred thirteen million, four hundred forty-five thousand, six hundred eighty-one".
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