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12000408808 = 231500051101
BaseRepresentation
bin10110010110100011…
…11011010011101000
31010222022212221010111
423023101323103220
5144034101040213
65302442224104
7603244535413
oct131321732350
933868787114
1012000408808
1150a8a10833
1223aaab5034
13119327891b
1481bac6b7a
154a3801a3d
hex2cb47b4e8

12000408808 has 8 divisors (see below), whose sum is σ = 22500766530. Its totient is φ = 6000204400.

The previous prime is 12000408779. The next prime is 12000408821. The reversal of 12000408808 is 80880400021.

It can be written as a sum of positive squares in only one way, i.e., 7296918084 + 4703490724 = 85422^2 + 68582^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12000408808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 750025543 + ... + 750025558.

Almost surely, 212000408808 is an apocalyptic number.

It is an amenable number.

12000408808 is a deficient number, since it is larger than the sum of its proper divisors (10500357722).

12000408808 is a wasteful number, since it uses less digits than its factorization.

12000408808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500051107 (or 1500051103 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

Adding to 12000408808 its reverse (80880400021), we get a palindrome (92880808829).

The spelling of 12000408808 in words is "twelve billion, four hundred eight thousand, eight hundred eight".

Divisors: 1 2 4 8 1500051101 3000102202 6000204404 12000408808