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12650540258048 = 2871121731149743
BaseRepresentation
bin1011100000010110111011…
…1101010101001100000000
31122210101020220100021121212
42320011232331111030000
53124231301301224143
642523324501305252
72443654115661440
oct270055675251400
948711226307555
1012650540258048
1140380781a4300
121503914405228
13709c2ccc9014
1431a40a228120
1516e109c9e918
hexb816ef55300

12650540258048 has 864 divisors, whose sum is σ = 34950163046400. Its totient is φ = 4453082726400.

The previous prime is 12650540258039. The next prime is 12650540258071. The reversal of 12650540258048 is 84085204505621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12650540257987 and 12650540258005.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17026298765 + ... + 17026299507.

It is an arithmetic number, because the mean of its divisors is an integer number (40451577600).

Almost surely, 212650540258048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12650540258048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17475081523200).

12650540258048 is an abundant number, since it is smaller than the sum of its proper divisors (22299622788352).

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

12650540258048 is a wasteful number, since it uses less digits than its factorization.

12650540258048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 3072000, while the sum is 50.

The spelling of 12650540258048 in words is "twelve trillion, six hundred fifty billion, five hundred forty million, two hundred fifty-eight thousand, forty-eight".