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20350162051255 = 561103217646423
BaseRepresentation
bin1001010000010001001000…
…01011100010000010110111
32200001110022210010202120001
410220020210023202002313
510131404112441120010
6111140422502052131
74200151662241531
oct450104413420267
980043283122501
1020350162051255
116536500a4a943
122347bb811a047
13b4802061067a
14504d4b434851
1525454b249c3a
hex1282242e20b7

20350162051255 has 16 divisors (see below), whose sum is σ = 24820804384704. Its totient is φ = 16013062356480.

The previous prime is 20350162051243. The next prime is 20350162051291. The reversal of 20350162051255 is 55215026105302.

It is not a de Polignac number, because 20350162051255 - 27 = 20350162051127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31157974 + ... + 31804396.

It is an arithmetic number, because the mean of its divisors is an integer number (1551300274044).

Almost surely, 220350162051255 is an apocalyptic number.

20350162051255 is a deficient number, since it is larger than the sum of its proper divisors (4470642333449).

20350162051255 is a wasteful number, since it uses less digits than its factorization.

20350162051255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749706.

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 20350162051255 its reverse (55215026105302), we get a palindrome (75565188156557).

The spelling of 20350162051255 in words is "twenty trillion, three hundred fifty billion, one hundred sixty-two million, fifty-one thousand, two hundred fifty-five".

Divisors: 1 5 61 305 103217 516085 646423 3232115 6296237 31481185 39431803 197159015 66721842791 333609213955 4070032410251 20350162051255