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205302445130 = 2520530244513
BaseRepresentation
bin1011111100110011111…
…0101011010001001010
3201121220212202210210002
42333030332223101022
511330424411221010
6234151543523002
720555404663466
oct2771476532112
9647825683702
10205302445130
117a082972762
1233957459462
131648aa23783
149d183d14a6
155518c1e1a5
hex2fccfab44a

205302445130 has 8 divisors (see below), whose sum is σ = 369544401252. Its totient is φ = 82120978048.

The previous prime is 205302445099. The next prime is 205302445163. The reversal of 205302445130 is 31544203502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 168995810281 + 36306634849 = 411091^2 + 190543^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 205302445093 and 205302445102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10265122247 + ... + 10265122266.

Almost surely, 2205302445130 is an apocalyptic number.

205302445130 is a deficient number, since it is larger than the sum of its proper divisors (164241956122).

205302445130 is a wasteful number, since it uses less digits than its factorization.

205302445130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20530244520.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 205302445130 its reverse (31544203502), we get a palindrome (236846648632).

The spelling of 205302445130 in words is "two hundred five billion, three hundred two million, four hundred forty-five thousand, one hundred thirty".

Divisors: 1 2 5 10 20530244513 41060489026 102651222565 205302445130