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12648578806228 = 22191123148200061
BaseRepresentation
bin1011100000001111101000…
…0010111111000111010100
31122210012012012112012120011
42320003322002333013110
53124213242133244403
642522402112450004
72443554400630141
oct270037202770724
948705165465504
1012648578806228
114037260a96542
121503467549904
137099a982a741
1431a2a19253c8
1516e0429a3a6d
hexb80fa0bf1d4

12648578806228 has 24 divisors (see below), whose sum is σ = 23320761756320. Its totient is φ = 5986096823520.

The previous prime is 12648578806219. The next prime is 12648578806289. The reversal of 12648578806228 is 82260887584621.

12648578806228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 74014683 + ... + 74185378.

Almost surely, 212648578806228 is an apocalyptic number.

It is an amenable number.

12648578806228 is a deficient number, since it is larger than the sum of its proper divisors (10672182950092).

12648578806228 is a wasteful number, since it uses less digits than its factorization.

12648578806228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148201207 (or 148201205 counting only the distinct ones).

The product of its (nonzero) digits is 165150720, while the sum is 67.

The spelling of 12648578806228 in words is "twelve trillion, six hundred forty-eight billion, five hundred seventy-eight million, eight hundred six thousand, two hundred twenty-eight".

Divisors: 1 2 4 19 38 76 1123 2246 4492 21337 42674 85348 148200061 296400122 592800244 2815801159 5631602318 11263204636 166428668503 332857337006 665714674012 3162144701557 6324289403114 12648578806228