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20302321113 = 334741938183
BaseRepresentation
bin10010111010000111…
…001101010111011001
31221101220101202212000
4102322013031113121
5313034343233423
613154325111213
71316052611364
oct227207152731
957356352760
1020302321113
118679149388
123b27258509
131bb7209079
14da85010db
157dc587843
hex4ba1cd5d9

20302321113 has 32 divisors (see below), whose sum is σ = 30791577600. Its totient is φ = 13214942928.

The previous prime is 20302321069. The next prime is 20302321121. The reversal of 20302321113 is 31112320302.

It is not a de Polignac number, because 20302321113 - 210 = 20302320089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20302321163) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 512620 + ... + 550802.

It is an arithmetic number, because the mean of its divisors is an integer number (962236800).

Almost surely, 220302321113 is an apocalyptic number.

It is an amenable number.

20302321113 is a deficient number, since it is larger than the sum of its proper divisors (10489256487).

20302321113 is a wasteful number, since it uses less digits than its factorization.

20302321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38658 (or 38652 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20302321113 its reverse (31112320302), we get a palindrome (51414641415).

The spelling of 20302321113 in words is "twenty billion, three hundred two million, three hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 3 9 27 47 141 419 423 1257 1269 3771 11313 19693 38183 59079 114549 177237 343647 531711 1030941 1794601 5383803 15998677 16151409 47996031 48454227 143988093 431964279 751937819 2255813457 6767440371 20302321113