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52280476709 = 3710912963173
BaseRepresentation
bin110000101100001010…
…001100010000100101
311222221111221101120012
4300230022030100211
51324032300223314
640003424020005
73530362501616
oct605412142045
9158844841505
1052280476709
1120198a69a4a
12a170761605
134c1236a726
14275d559c0d
15155ebab93e
hexc2c28c425

52280476709 has 8 divisors (see below), whose sum is σ = 54186067320. Its totient is φ = 50400812736.

The previous prime is 52280476687. The next prime is 52280476789. The reversal of 52280476709 is 90767408225.

It can be written as a sum of positive squares in 4 ways, for example, as 9853540225 + 42426936484 = 99265^2 + 205978^2 .

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

It is not a de Polignac number, because 52280476709 - 216 = 52280411173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52280476789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6477554 + ... + 6485619.

It is an arithmetic number, because the mean of its divisors is an integer number (6773258415).

Almost surely, 252280476709 is an apocalyptic number.

It is an amenable number.

52280476709 is a deficient number, since it is larger than the sum of its proper divisors (1905590611).

52280476709 is a wasteful number, since it uses less digits than its factorization.

52280476709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12963319.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 52280476709 in words is "fifty-two billion, two hundred eighty million, four hundred seventy-six thousand, seven hundred nine".

Divisors: 1 37 109 4033 12963173 479637401 1412985857 52280476709