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8680538730 = 2359710927367
BaseRepresentation
bin10000001010110011…
…01000001001101010
3211101221222001112110
420011121220021222
5120234204214410
63553210023150
7425053235043
oct100531501152
924357861473
108680538730
113754a35256
121823117ab6
13a8452a366
145c4c178ca
1535c126720
hex20566826a

8680538730 has 64 divisors (see below), whose sum is σ = 21241946880. Its totient is φ = 2269845504.

The previous prime is 8680538729. The next prime is 8680538731. The reversal of 8680538730 is 378350868.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8680538729) and next prime (8680538731).

It is a self number, because there is not a number n which added to its sum of digits gives 8680538730.

It is not an unprimeable number, because it can be changed into a prime (8680538731) 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 31 ways as a sum of consecutive naturals, for example, 303507 + ... + 330873.

It is an arithmetic number, because the mean of its divisors is an integer number (331905420).

Almost surely, 28680538730 is an apocalyptic number.

8680538730 is an abundant number, since it is smaller than the sum of its proper divisors (12561408150).

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

8680538730 is a wasteful number, since it uses less digits than its factorization.

8680538730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27583.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 8680538730 is about 93169.4087670411. The cubic root of 8680538730 is about 2055.1754007554.

The spelling of 8680538730 in words is "eight billion, six hundred eighty million, five hundred thirty-eight thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 97 109 194 218 291 327 485 545 582 654 970 1090 1455 1635 2910 3270 10573 21146 27367 31719 52865 54734 63438 82101 105730 136835 158595 164202 273670 317190 410505 821010 2654599 2983003 5309198 5966006 7963797 8949009 13272995 14915015 15927594 17898018 26545990 29830030 39818985 44745045 79637970 89490090 289351291 578702582 868053873 1446756455 1736107746 2893512910 4340269365 8680538730