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8821425916680 = 23351383523130267
BaseRepresentation
bin1000000001011110010111…
…1101010100101100001000
31011020022122100011111001120
42000113211331110230020
52124012240013313210
630432301312115240
71600220105051526
oct200274575245410
934208570144046
108821425916680
1128a1166a57293
12ba5799835b20
134bcb1a79c430
14226d60427316
151046eb287270
hex805e5f54b08

8821425916680 has 256 divisors, whose sum is σ = 28898736491520. Its totient is φ = 2141147851776.

The previous prime is 8821425916663. The next prime is 8821425916711. The reversal of 8821425916680 is 866195241288.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67652907 + ... + 67783173.

It is an arithmetic number, because the mean of its divisors is an integer number (112885689420).

Almost surely, 28821425916680 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 8821425916680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14449368245760).

8821425916680 is an abundant number, since it is smaller than the sum of its proper divisors (20077310574840).

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

8821425916680 is a wasteful number, since it uses less digits than its factorization.

8821425916680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130900 (or 130896 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 60.

The spelling of 8821425916680 in words is "eight trillion, eight hundred twenty-one billion, four hundred twenty-five million, nine hundred sixteen thousand, six hundred eighty".