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52643221160 = 2351316080529
BaseRepresentation
bin110001000001110001…
…111100111010101000
312000212210111201101212
4301001301330322220
51330303131034120
640103422532252
73542355665615
oct610161747250
9160783451355
1052643221160
11203647a9252
12a252137088
134c6c56670a
1427957c350c
1515819616c5
hexc41c7cea8

52643221160 has 16 divisors (see below), whose sum is σ = 118447247700. Its totient is φ = 21057288448.

The previous prime is 52643221159. The next prime is 52643221201. The reversal of 52643221160 is 6112234625.

It can be written as a sum of positive squares in 2 ways, for example, as 47613858436 + 5029362724 = 218206^2 + 70918^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658040225 + ... + 658040304.

Almost surely, 252643221160 is an apocalyptic number.

It is an amenable number.

52643221160 is an abundant number, since it is smaller than the sum of its proper divisors (65804026540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52643221160 is a wasteful number, since it uses less digits than its factorization.

52643221160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316080540 (or 1316080536 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 52643221160 its reverse (6112234625), we get a palindrome (58755455785).

The spelling of 52643221160 in words is "fifty-two billion, six hundred forty-three million, two hundred twenty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 1316080529 2632161058 5264322116 6580402645 10528644232 13160805290 26321610580 52643221160