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6500442852 = 2232180567857
BaseRepresentation
bin1100000110111010…
…01110001011100100
3121210000201201012200
412003131032023210
5101303103132402
62553011014500
7320041565301
oct60335161344
917700651180
106500442852
11283636aa22
121314b9a430
137c79775b7
1445947c0a8
15280a3c21c
hex18374e2e4

6500442852 has 18 divisors (see below), whose sum is σ = 16431675078. Its totient is φ = 2166814272.

The previous prime is 6500442821. The next prime is 6500442853. The reversal of 6500442852 is 2582440056.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4704039396 + 1796403456 = 68586^2 + 42384^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 180567857 = 6500442852 / (6 + 5 + 0 + 0 + 4 + 4 + 2 + 8 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (6500442853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 90283893 + ... + 90283964.

Almost surely, 26500442852 is an apocalyptic number.

It is an amenable number.

6500442852 is an abundant number, since it is smaller than the sum of its proper divisors (9931232226).

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

6500442852 is a wasteful number, since it uses less digits than its factorization.

6500442852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180567867 (or 180567862 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 6500442852 is about 80625.3238877215. The cubic root of 6500442852 is about 1866.2979607802.

The spelling of 6500442852 in words is "six billion, five hundred million, four hundred forty-two thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 180567857 361135714 541703571 722271428 1083407142 1625110713 2166814284 3250221426 6500442852