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6482473681 = 25725223633
BaseRepresentation
bin1100000100110001…
…01011001011010001
3121201202220210010211
412002120223023101
5101234003124211
62551125524121
7316433055115
oct60230531321
917652823124
106482473681
112827207472
12130ab73641
137c4025658
14456d21745
1527e18ce21
hex18262b2d1

6482473681 has 4 divisors (see below), whose sum is σ = 6507697572. Its totient is φ = 6457249792.

The previous prime is 6482473661. The next prime is 6482473693. The reversal of 6482473681 is 1863742846.

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 3137008081 + 3345465600 = 56009^2 + 57840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6482473681 is a prime.

It is a super-2 number, since 2×64824736812 = 84044930049715379522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6482473661) 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, 12611560 + ... + 12612073.

It is an arithmetic number, because the mean of its divisors is an integer number (1626924393).

Almost surely, 26482473681 is an apocalyptic number.

It is an amenable number.

6482473681 is a deficient number, since it is larger than the sum of its proper divisors (25223891).

6482473681 is a wasteful number, since it uses less digits than its factorization.

6482473681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25223890.

The product of its digits is 1548288, while the sum is 49.

The square root of 6482473681 is about 80513.8104985722. The cubic root of 6482473681 is about 1864.5767049353.

It can be divided in two parts, 648 and 2473681, that added together give a square (2474329 = 15732).

The spelling of 6482473681 in words is "six billion, four hundred eighty-two million, four hundred seventy-three thousand, six hundred eighty-one".

Divisors: 1 257 25223633 6482473681