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30565016064 = 2933111971149
BaseRepresentation
bin11100011101110100…
…010010001000000000
32220220010110200201000
4130131310102020000
51000044121003224
622012534212000
72131300231002
oct343564221000
986803420630
1030565016064
1111a65177a60
125b101b4000
132b6146232b
14169d4c6372
15bdd5360c9
hex71dd12200

30565016064 has 640 divisors, whose sum is σ = 106064640000. Its totient is φ = 8592998400.

The previous prime is 30565016063. The next prime is 30565016081. The reversal of 30565016064 is 46061056503.

30565016064 is a `hidden beast` number, since 30 + 5 + 6 + 501 + 60 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (30565016063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 205134262 + ... + 205134410.

It is an arithmetic number, because the mean of its divisors is an integer number (165726000).

Almost surely, 230565016064 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 30565016064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53032320000).

30565016064 is an abundant number, since it is smaller than the sum of its proper divisors (75499623936).

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

30565016064 is a wasteful number, since it uses less digits than its factorization.

30565016064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 30565016064 in words is "thirty billion, five hundred sixty-five million, sixteen thousand, sixty-four".