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6818082801 = 34007567181
BaseRepresentation
bin1100101100110001…
…11010111111110001
3122121011102111022020
412112120322333301
5102430412122201
63044315102053
7330646514265
oct62630727761
918534374266
106818082801
1129896a2582
1213a3441929
1384871052a
144897240a5
1529d882a36
hex19663aff1

6818082801 has 8 divisors (see below), whose sum is σ = 9093061824. Its totient is φ = 4544246160.

The previous prime is 6818082793. The next prime is 6818082811. The reversal of 6818082801 is 1082808186.

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

It is not a de Polignac number, because 6818082801 - 23 = 6818082793 is a prime.

It is a Smith number, since the sum of its digits (42) 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 (6818082811) 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, 271570 + ... + 295611.

It is an arithmetic number, because the mean of its divisors is an integer number (1136632728).

Almost surely, 26818082801 is an apocalyptic number.

It is an amenable number.

6818082801 is a deficient number, since it is larger than the sum of its proper divisors (2274979023).

6818082801 is a wasteful number, since it uses less digits than its factorization.

6818082801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571191.

The product of its (nonzero) digits is 49152, while the sum is 42.

The square root of 6818082801 is about 82571.6828034890. The cubic root of 6818082801 is about 1896.2143274931.

The spelling of 6818082801 in words is "six billion, eight hundred eighteen million, eighty-two thousand, eight hundred one".

Divisors: 1 3 4007 12021 567181 1701543 2272694267 6818082801