Base | Representation |
---|---|
bin | 1010111100010111001… |
… | …1010111001000001001 |
3 | 122222021012020201221101 |
4 | 2233011303113020021 |
5 | 11040012023404403 |
6 | 222211134541401 |
7 | 16403604033625 |
oct | 2570563271011 |
9 | 588235221841 |
10 | 188002169353 |
11 | 72805361489 |
12 | 30529667861 |
13 | 14961766bbb |
14 | 91568aa185 |
15 | 4d54ed171d |
hex | 2bc5cd7209 |
188002169353 has 4 divisors (see below), whose sum is σ = 188263647360. Its totient is φ = 187740691348.
The previous prime is 188002169263. The next prime is 188002169393. The reversal of 188002169353 is 353961200881.
188002169353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 188002169353 - 221 = 188000072201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (188002169393) 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, 130737925 + ... + 130739362.
It is an arithmetic number, because the mean of its divisors is an integer number (47065911840).
Almost surely, 2188002169353 is an apocalyptic number.
It is an amenable number.
188002169353 is a deficient number, since it is larger than the sum of its proper divisors (261478007).
188002169353 is an equidigital number, since it uses as much as digits as its factorization.
188002169353 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 261478006.
The product of its (nonzero) digits is 311040, while the sum is 46.
It can be divided in two parts, 18800216 and 9353, that added together give a square (18809569 = 43372).
The spelling of 188002169353 in words is "one hundred eighty-eight billion, two million, one hundred sixty-nine thousand, three hundred fifty-three".
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