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8020189320 = 233511131912447
BaseRepresentation
bin1110111100000101…
…00110000010001000
3202200221101211102220
413132002212002020
5112411132024240
63403500254040
7402514325103
oct73602460210
922627354386
108020189320
113446207a40
121679b41320
139aa791770
1456124173a
1531e1875d0
hex1de0a6088

8020189320 has 256 divisors, whose sum is σ = 28426567680. Its totient is φ = 1784601600.

The previous prime is 8020189283. The next prime is 8020189327. The reversal of 8020189320 is 239810208.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (8020189327) 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, 3276337 + ... + 3278783.

It is an arithmetic number, because the mean of its divisors is an integer number (111041280).

Almost surely, 28020189320 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 8020189320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14213283840).

8020189320 is an abundant number, since it is smaller than the sum of its proper divisors (20406378360).

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

8020189320 is a wasteful number, since it uses less digits than its factorization.

8020189320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676 (or 2672 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 8020189320 is about 89555.5097132499. The cubic root of 8020189320 is about 2001.6810300065.

Adding to 8020189320 its reverse (239810208), we get a palindrome (8259999528).

The spelling of 8020189320 in words is "eight billion, twenty million, one hundred eighty-nine thousand, three hundred twenty".