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20310301303 = 149585123297
BaseRepresentation
bin10010111010100101…
…101001101001110111
31221102110102012121121
4102322211221221313
5313043414120203
613155212124411
71316210466265
oct227245515167
957373365547
1020310301303
1186826a9a86
123b29a66707
131bb8a71486
14da95bb435
157dd1120bd
hex4ba969a77

20310301303 has 8 divisors (see below), whose sum is σ = 20450984400. Its totient is φ = 20169676800.

The previous prime is 20310301301. The next prime is 20310301307. The reversal of 20310301303 is 30310301302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20310301303 - 21 = 20310301301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310301301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860151 + ... + 883447.

It is an arithmetic number, because the mean of its divisors is an integer number (2556373050).

Almost surely, 220310301303 is an apocalyptic number.

20310301303 is a deficient number, since it is larger than the sum of its proper divisors (140683097).

20310301303 is a wasteful number, since it uses less digits than its factorization.

20310301303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29297.

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

Adding to 20310301303 its reverse (30310301302), we get a palindrome (50620602605).

Subtracting 20310301303 from its reverse (30310301302), we obtain a palindrome (9999999999).

The spelling of 20310301303 in words is "twenty billion, three hundred ten million, three hundred one thousand, three hundred three".

Divisors: 1 149 5851 23297 871799 3471253 136310747 20310301303