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20313300301 = 72537821833
BaseRepresentation
bin10010111010110001…
…000101110101001101
31221102200001120110121
4102322301011311031
5313100201102201
613155400304541
71316245126600
oct227261056515
957380046417
1020313300301
118684368198
123b2aa72151
131bb9581528
14da9b5c337
157dd5059a1
hex4bac45d4d

20313300301 has 12 divisors (see below), whose sum is σ = 24075605052. Its totient is φ = 17082881088.

The previous prime is 20313300263. The next prime is 20313300331. The reversal of 20313300301 is 10300331302.

It can be written as a sum of positive squares in 2 ways, for example, as 18097244676 + 2216055625 = 134526^2 + 47075^2 .

It is not a de Polignac number, because 20313300301 - 211 = 20313298253 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 (20313300331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3908320 + ... + 3913513.

It is an arithmetic number, because the mean of its divisors is an integer number (2006300421).

Almost surely, 220313300301 is an apocalyptic number.

It is an amenable number.

20313300301 is a deficient number, since it is larger than the sum of its proper divisors (3762304751).

20313300301 is an equidigital number, since it uses as much as digits as its factorization.

20313300301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821900 (or 7821893 counting only the distinct ones).

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

Adding to 20313300301 its reverse (10300331302), we get a palindrome (30613631603).

The spelling of 20313300301 in words is "twenty billion, three hundred thirteen million, three hundred thousand, three hundred one".

Divisors: 1 7 49 53 371 2597 7821833 54752831 383269817 414557149 2901900043 20313300301