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6480284865 = 35432018991
BaseRepresentation
bin1100000100100000…
…10100110011000001
3121201121210120122120
412002100110303001
5101232423103430
62551010554453
7316405340535
oct60220246301
917647716576
106480284865
112825a51a2a
12130a298a29
137c373a2b2
14456911bc5
1527dda9610
hex182414cc1

6480284865 has 8 divisors (see below), whose sum is σ = 10368455808. Its totient is φ = 3456151920.

The previous prime is 6480284849. The next prime is 6480284897. The reversal of 6480284865 is 5684820846.

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

It is not a de Polignac number, because 6480284865 - 24 = 6480284849 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216009481 + ... + 216009510.

It is an arithmetic number, because the mean of its divisors is an integer number (1296056976).

Almost surely, 26480284865 is an apocalyptic number.

It is an amenable number.

6480284865 is a deficient number, since it is larger than the sum of its proper divisors (3888170943).

6480284865 is a wasteful number, since it uses less digits than its factorization.

6480284865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432018999.

The product of its (nonzero) digits is 2949120, while the sum is 51.

The square root of 6480284865 is about 80500.2165525038. The cubic root of 6480284865 is about 1864.3668223630.

The spelling of 6480284865 in words is "six billion, four hundred eighty million, two hundred eighty-four thousand, eight hundred sixty-five".

Divisors: 1 3 5 15 432018991 1296056973 2160094955 6480284865