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66027150000 = 243455717137
BaseRepresentation
bin111101011111100001…
…100101101010110000
320022102112201202020000
4331133201211222300
52040210422300000
650155450550000
74525133341410
oct753741455260
9208375652200
1066027150000
1126002672069
1210968438300
1362c3340936
1432a512c640
151ab6950000
hexf5f865ab0

66027150000 has 1200 divisors, whose sum is σ = 291152740032. Its totient is φ = 14100480000.

The previous prime is 66027149939. The next prime is 66027150001. The reversal of 66027150000 is 5172066.

66027150000 is a `hidden beast` number, since 6 + 602 + 7 + 1 + 50 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1200).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (66027150001) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 481949932 + ... + 481950068.

Almost surely, 266027150000 is an apocalyptic number.

66027150000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66027150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145576370016).

66027150000 is an abundant number, since it is smaller than the sum of its proper divisors (225125590032).

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

66027150000 is a wasteful number, since it uses less digits than its factorization.

66027150000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The spelling of 66027150000 in words is "sixty-six billion, twenty-seven million, one hundred fifty thousand".