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12105008 = 24756563
BaseRepresentation
bin101110001011…
…010100110000
3211202222221122
4232023110300
511044330013
61111241412
7204614366
oct56132460
924688848
1012105008
116918743
124079268
13267aa36
141871636
1510e1a08
hexb8b530

12105008 has 10 divisors (see below), whose sum is σ = 23453484. Its totient is φ = 6052496.

The previous prime is 12104993. The next prime is 12105011. The reversal of 12105008 is 80050121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378266 + ... + 378297.

Almost surely, 212105008 is an apocalyptic number.

It is an amenable number.

12105008 is a deficient number, since it is larger than the sum of its proper divisors (11348476).

12105008 is an equidigital number, since it uses as much as digits as its factorization.

12105008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756571 (or 756565 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 12105008 is about 3479.2252011044. The cubic root of 12105008 is about 229.6087108756.

Adding to 12105008 its reverse (80050121), we get a palindrome (92155129).

The spelling of 12105008 in words is "twelve million, one hundred five thousand, eight".

Divisors: 1 2 4 8 16 756563 1513126 3026252 6052504 12105008