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20301000241 = 44945213809
BaseRepresentation
bin10010111010000010…
…001010111000110001
31221101210220122221211
4102322002022320301
5313034024001431
613154240520121
71316035440424
oct227202127061
957353818854
1020301000241
118678426a55
123b26920041
131bb6b65aa2
14da82799bb
157dc3c62b1
hex4ba08ae31

20301000241 has 4 divisors (see below), whose sum is σ = 20346214500. Its totient is φ = 20255785984.

The previous prime is 20301000233. The next prime is 20301000253. The reversal of 20301000241 is 14200010302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9124070400 + 11176929841 = 95520^2 + 105721^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301000241 - 23 = 20301000233 is a prime.

It is a super-2 number, since 2×203010002412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301000541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22606456 + ... + 22607353.

It is an arithmetic number, because the mean of its divisors is an integer number (5086553625).

Almost surely, 220301000241 is an apocalyptic number.

It is an amenable number.

20301000241 is a deficient number, since it is larger than the sum of its proper divisors (45214259).

20301000241 is an equidigital number, since it uses as much as digits as its factorization.

20301000241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45214258.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20301000241 its reverse (14200010302), we get a palindrome (34501010543).

The spelling of 20301000241 in words is "twenty billion, three hundred one million, two hundred forty-one", and thus it is an aban number.

Divisors: 1 449 45213809 20301000241