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6482817681 = 33169707717
BaseRepresentation
bin1100000100110011…
…11111001010010001
3121201210120021000120
412002121333022101
5101234100131211
62551141140453
7316436020044
oct60231771221
917653507016
106482817681
11282742196a
12130b0ba729
137c41160c2
14456db0c5b
1527e209d06
hex18267f291

6482817681 has 8 divisors (see below), whose sum is σ = 8922587904. Its totient is φ = 4182462960.

The previous prime is 6482817647. The next prime is 6482817701. The reversal of 6482817681 is 1867182846.

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

It is a de Polignac number, because none of the positive numbers 2k-6482817681 is a prime.

It is a super-2 number, since 2×64828176812 = 84053850170172435522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6482812681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34853766 + ... + 34853951.

It is an arithmetic number, because the mean of its divisors is an integer number (1115323488).

Almost surely, 26482817681 is an apocalyptic number.

It is an amenable number.

6482817681 is a deficient number, since it is larger than the sum of its proper divisors (2439770223).

6482817681 is a wasteful number, since it uses less digits than its factorization.

6482817681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69707751.

The product of its digits is 1032192, while the sum is 51.

The square root of 6482817681 is about 80515.9467496967. The cubic root of 6482817681 is about 1864.6096863286.

The spelling of 6482817681 in words is "six billion, four hundred eighty-two million, eight hundred seventeen thousand, six hundred eighty-one".

Divisors: 1 3 31 93 69707717 209123151 2160939227 6482817681