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12428245849536 = 263211316210981
BaseRepresentation
bin1011010011011010110100…
…1011011101010111000000
31122000010110211012022002200
42310312231023131113000
53112111021414141121
642233242440513200
72421624342455046
oct264665513352700
948003424168080
1012428245849536
113a61875862000
12148881647b800
136c1c94b6715a
1430d75d24a396
15168449444a26
hexb4dad2dd5c0

12428245849536 has 168 divisors, whose sum is σ = 39182980996848. Its totient is φ = 3766134873600.

The previous prime is 12428245849519. The next prime is 12428245849559. The reversal of 12428245849536 is 63594854282421.

It is a happy number.

12428245849536 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 8 + 2 + 4 + 58 + 49 + 536 = 666.

It is a super-2 number, since 2×124282458495362 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7338835 + ... + 8872146.

Almost surely, 212428245849536 is an apocalyptic number.

12428245849536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12428245849536 is an abundant number, since it is smaller than the sum of its proper divisors (26754735147312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12428245849536 is a wasteful number, since it uses less digits than its factorization.

12428245849536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16211032 (or 16210997 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 63.

The spelling of 12428245849536 in words is "twelve trillion, four hundred twenty-eight billion, two hundred forty-five million, eight hundred forty-nine thousand, five hundred thirty-six".