Search a number
-
+
20301141241 = 372129257717
BaseRepresentation
bin10010111010000010…
…101101010011111001
31221101211011211101001
4102322002231103321
5313034043004431
613154243525001
71316036565463
oct227202552371
957354154331
1020301141241
118678512987
123b26989761
131bb6bb5014
14da82b5133
157dc402e61
hex4ba0ad4f9

20301141241 has 8 divisors (see below), whose sum is σ = 20859694920. Its totient is φ = 19743107328.

The previous prime is 20301141197. The next prime is 20301141283. The reversal of 20301141241 is 14214110302.

It can be written as a sum of positive squares in 4 ways, for example, as 10507070016 + 9794071225 = 102504^2 + 98965^2 .

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 20301141241 - 211 = 20301139193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20302141241) 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, 50086 + ... + 207631.

It is an arithmetic number, because the mean of its divisors is an integer number (2607461865).

Almost surely, 220301141241 is an apocalyptic number.

It is an amenable number.

20301141241 is a deficient number, since it is larger than the sum of its proper divisors (558553679).

20301141241 is a wasteful number, since it uses less digits than its factorization.

20301141241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259883.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 20301141241 its reverse (14214110302), we get a palindrome (34515251543).

The spelling of 20301141241 in words is "twenty billion, three hundred one million, one hundred forty-one thousand, two hundred forty-one".

Divisors: 1 37 2129 78773 257717 9535529 548679493 20301141241