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20330103103 = 53383586851
BaseRepresentation
bin10010111011110001…
…001100000100111111
31221110211200020120121
4102323301030010333
5313114001244403
613201200355411
71316541011422
oct227361140477
957424606517
1020330103103
1186928a4402
123b34615b67
131bbcbb560b
14dac0939b9
157dec243bd
hex4bbc4c13f

20330103103 has 4 divisors (see below), whose sum is σ = 20713690008. Its totient is φ = 19946516200.

The previous prime is 20330103097. The next prime is 20330103133. The reversal of 20330103103 is 30130103302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20330103103 - 233 = 11740168511 is a prime.

It is a super-3 number, since 3×203301031033 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330103133) 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 3 ways as a sum of consecutive naturals, for example, 191793373 + ... + 191793478.

It is an arithmetic number, because the mean of its divisors is an integer number (5178422502).

Almost surely, 220330103103 is an apocalyptic number.

20330103103 is a deficient number, since it is larger than the sum of its proper divisors (383586905).

20330103103 is an equidigital number, since it uses as much as digits as its factorization.

20330103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383586904.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20330103103 its reverse (30130103302), we get a palindrome (50460206405).

The spelling of 20330103103 in words is "twenty billion, three hundred thirty million, one hundred three thousand, one hundred three".

Divisors: 1 53 383586851 20330103103