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605520252041 = 1494063894309
BaseRepresentation
bin10001100111110111101…
…00011100110010001001
32010212221202011220200112
420303323310130302021
534410101141031131
61142101104244105
761514233135205
oct10637364346211
92125852156615
10605520252041
1121388843a671
129942b610635
134513c512233
142144348db05
1510b3e7dd02b
hex8cfbd1cc89

605520252041 has 4 divisors (see below), whose sum is σ = 609584146500. Its totient is φ = 601456357584.

The previous prime is 605520252023. The next prime is 605520252047. The reversal of 605520252041 is 140252025506.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 140252025506 = 270126012753.

It can be written as a sum of positive squares in 2 ways, for example, as 57298475641 + 548221776400 = 239371^2 + 740420^2 .

It is a cyclic number.

It is not a de Polignac number, because 605520252041 - 226 = 605453143177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 605520251989 and 605520252007.

It is not an unprimeable number, because it can be changed into a prime (605520252047) 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, 2031947006 + ... + 2031947303.

It is an arithmetic number, because the mean of its divisors is an integer number (152396036625).

Almost surely, 2605520252041 is an apocalyptic number.

It is an amenable number.

605520252041 is a deficient number, since it is larger than the sum of its proper divisors (4063894459).

605520252041 is a wasteful number, since it uses less digits than its factorization.

605520252041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063894458.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 605520252041 its reverse (140252025506), we get a palindrome (745772277547).

The spelling of 605520252041 in words is "six hundred five billion, five hundred twenty million, two hundred fifty-two thousand, forty-one".

Divisors: 1 149 4063894309 605520252041