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12188288041 = 23727728921
BaseRepresentation
bin10110101100111101…
…01000010000101001
31011110102102011222121
423112132220100221
5144430200204131
65333233151241
7611015511316
oct132636502051
934412364877
1012188288041
115194a75226
1224419bb521
1311c317ac77
14838a31d0d
154b5064911
hex2d67a8429

12188288041 has 8 divisors (see below), whose sum is σ = 12735725184. Its totient is φ = 11642310240.

The previous prime is 12188288029. The next prime is 12188288051. The reversal of 12188288041 is 14088288121.

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 12188288041 - 25 = 12188288009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12188288051) 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, 347740 + ... + 381181.

It is an arithmetic number, because the mean of its divisors is an integer number (1591965648).

Almost surely, 212188288041 is an apocalyptic number.

It is an amenable number.

12188288041 is a deficient number, since it is larger than the sum of its proper divisors (547437143).

12188288041 is an equidigital number, since it uses as much as digits as its factorization.

12188288041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729671.

The product of its (nonzero) digits is 65536, while the sum is 43.

The spelling of 12188288041 in words is "twelve billion, one hundred eighty-eight million, two hundred eighty-eight thousand, forty-one".

Divisors: 1 23 727 16721 728921 16765183 529925567 12188288041