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20310301141 = 136723318371
BaseRepresentation
bin10010111010100101…
…101001100111010101
31221102110102012101121
4102322211221213111
5313043414114031
613155212123541
71316210465644
oct227245514725
957373365347
1020310301141
1186826a9949
123b29a665b1
131bb8a71390
14da95bb35b
157dd112011
hex4ba9699d5

20310301141 has 8 divisors (see below), whose sum is σ = 22199090144. Its totient is φ = 18468149040.

The previous prime is 20310301139. The next prime is 20310301157. The reversal of 20310301141 is 14110301302.

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 20310301141 - 21 = 20310301139 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 (20310301841) 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 7 ways as a sum of consecutive naturals, for example, 11658315 + ... + 11660056.

It is an arithmetic number, because the mean of its divisors is an integer number (2774886268).

Almost surely, 220310301141 is an apocalyptic number.

It is an amenable number.

20310301141 is a deficient number, since it is larger than the sum of its proper divisors (1888789003).

20310301141 is a wasteful number, since it uses less digits than its factorization.

20310301141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23318451.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20310301141 its reverse (14110301302), we get a palindrome (34420602443).

The spelling of 20310301141 in words is "twenty billion, three hundred ten million, three hundred one thousand, one hundred forty-one".

Divisors: 1 13 67 871 23318371 303138823 1562330857 20310301141