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6503427841 = 55711675813
BaseRepresentation
bin1100000111010001…
…00110111100000001
3121210020100100211211
412003220212330001
5101304334142331
62553155010121
7320106140011
oct60350467401
917706310754
106503427841
112838019659
121315b99941
137c8481171
14459a17c41
15280e2b8b1
hex183a26f01

6503427841 has 4 divisors (see below), whose sum is σ = 6515104212. Its totient is φ = 6491751472.

The previous prime is 6503427839. The next prime is 6503427851. The reversal of 6503427841 is 1487243056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1672482816 + 4830945025 = 40896^2 + 69505^2 .

It is a cyclic number.

It is not a de Polignac number, because 6503427841 - 21 = 6503427839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6503427794 and 6503427803.

It is not an unprimeable number, because it can be changed into a prime (6503427851) 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, 5837350 + ... + 5838463.

It is an arithmetic number, because the mean of its divisors is an integer number (1628776053).

Almost surely, 26503427841 is an apocalyptic number.

It is an amenable number.

6503427841 is a deficient number, since it is larger than the sum of its proper divisors (11676371).

6503427841 is a wasteful number, since it uses less digits than its factorization.

6503427841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11676370.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 6503427841 is about 80643.8332484264. The cubic root of 6503427841 is about 1866.5835836994.

The spelling of 6503427841 in words is "six billion, five hundred three million, four hundred twenty-seven thousand, eight hundred forty-one".

Divisors: 1 557 11675813 6503427841