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8422066660 = 2257414013659
BaseRepresentation
bin1111101011111111…
…01000100111100100
3210201221121022111211
413311333220213210
5114222022113120
63511414041204
7415464246130
oct76577504744
923657538454
108422066660
113632045377
121770649204
13a42b0c6c7
1459c7743c0
153445bc25a
hex1f5fe89e4

8422066660 has 96 divisors (see below), whose sum is σ = 20763267840. Its totient is φ = 2809344000.

The previous prime is 8422066633. The next prime is 8422066669. The reversal of 8422066660 is 666602248.

It is not an unprimeable number, because it can be changed into a prime (8422066669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2299911 + ... + 2303569.

It is an arithmetic number, because the mean of its divisors is an integer number (216284040).

Almost surely, 28422066660 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 8422066660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10381633920).

8422066660 is an abundant number, since it is smaller than the sum of its proper divisors (12341201180).

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

8422066660 is a wasteful number, since it uses less digits than its factorization.

8422066660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4117 (or 4115 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 8422066660 is about 91771.8184411751. The cubic root of 8422066660 is about 2034.5711947172.

The spelling of 8422066660 in words is "eight billion, four hundred twenty-two million, sixty-six thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 41 70 82 140 164 205 287 401 410 574 802 820 1148 1435 1604 2005 2807 2870 3659 4010 5614 5740 7318 8020 11228 14035 14636 16441 18295 25613 28070 32882 36590 51226 56140 65764 73180 82205 102452 115087 128065 150019 164410 230174 256130 300038 328820 460348 512260 575435 600076 750095 1050133 1150870 1467259 1500190 2100266 2301740 2934518 3000380 4200532 5250665 5869036 7336295 10270813 10501330 14672590 20541626 21002660 29345180 41083252 51354065 60157619 102708130 120315238 205416260 240630476 300788095 421103333 601576190 842206666 1203152380 1684413332 2105516665 4211033330 8422066660