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52211325200 = 2452130528313
BaseRepresentation
bin110000101000000010…
…011001100100010000
311222202200211010112012
4300220002121210100
51323412044401300
635552513522052
73525562640666
oct605002314420
9158680733465
1052211325200
1120162a28441
12a151573328
134c00c38188
1427542b8c36
151558a9c435
hexc28099910

52211325200 has 30 divisors (see below), whose sum is σ = 125437709754. Its totient is φ = 20884529920.

The previous prime is 52211325197. The next prime is 52211325217. The reversal of 52211325200 is 252311225.

It can be written as a sum of positive squares in 3 ways, for example, as 6300549376 + 45910775824 = 79376^2 + 214268^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65263757 + ... + 65264556.

Almost surely, 252211325200 is an apocalyptic number.

52211325200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52211325200 is an abundant number, since it is smaller than the sum of its proper divisors (73226384554).

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

52211325200 is a wasteful number, since it uses less digits than its factorization.

52211325200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130528331 (or 130528320 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 52211325200 its reverse (252311225), we get a palindrome (52463636425).

The spelling of 52211325200 in words is "fifty-two billion, two hundred eleven million, three hundred twenty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 130528313 261056626 522113252 652641565 1044226504 1305283130 2088453008 2610566260 3263207825 5221132520 6526415650 10442265040 13052831300 26105662600 52211325200