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12008810 = 2511109171
BaseRepresentation
bin101101110011…
…110101101010
3211121002222202
4231303311222
511033240220
61105220202
7204034052
oct55636552
924532882
1012008810
116862440
124031662
132646008
141848562
1510c3275
hexb73d6a

12008810 has 16 divisors (see below), whose sum is σ = 23581152. Its totient is φ = 4366800.

The previous prime is 12008809. The next prime is 12008827. The reversal of 12008810 is 1880021.

It is a super-2 number, since 2×120088102 = 288423035232200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54476 + ... + 54695.

It is an arithmetic number, because the mean of its divisors is an integer number (1473822).

Almost surely, 212008810 is an apocalyptic number.

12008810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12008810 is a deficient number, since it is larger than the sum of its proper divisors (11572342).

12008810 is a wasteful number, since it uses less digits than its factorization.

12008810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109189.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 12008810 is about 3465.3729957971. The cubic root of 12008810 is about 228.9988622078.

Adding to 12008810 its reverse (1880021), we get a palindrome (13888831).

The spelling of 12008810 in words is "twelve million, eight thousand, eight hundred ten".

Divisors: 1 2 5 10 11 22 55 110 109171 218342 545855 1091710 1200881 2401762 6004405 12008810