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65422008960 = 273573112821
BaseRepresentation
bin111100111011011101…
…001010001010000000
320020212101001101202220
4330323131022022000
52032441013241320
650015432411040
74504134621000
oct747335121200
9206771041686
1065422008960
1125822022700
1210819846a80
136227b65009
143248a08000
151a7d768e40
hexf3b74a280

65422008960 has 768 divisors, whose sum is σ = 267630048000. Its totient is φ = 13577625600.

The previous prime is 65422008901. The next prime is 65422009001. The reversal of 65422008960 is 6980022456.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 79685350 + ... + 79686170.

It is an arithmetic number, because the mean of its divisors is an integer number (348476625).

Almost surely, 265422008960 is an apocalyptic number.

65422008960 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 65422008960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133815024000).

65422008960 is an abundant number, since it is smaller than the sum of its proper divisors (202208039040).

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

65422008960 is a wasteful number, since it uses less digits than its factorization.

65422008960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 65422008960 in words is "sixty-five billion, four hundred twenty-two million, eight thousand, nine hundred sixty".