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6818082828 = 223568173569
BaseRepresentation
bin1100101100110001…
…11011000000001100
3122121011102111100020
412112120323000030
5102430412122303
63044315102140
7330646514334
oct62630730014
918534374306
106818082828
1129896a25a7
1213a3441950
1384871054b
144897240c4
1529d882a53
hex19663b00c

6818082828 has 12 divisors (see below), whose sum is σ = 15908859960. Its totient is φ = 2272694272.

The previous prime is 6818082811. The next prime is 6818082829. The reversal of 6818082828 is 8282808186.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (6818082829) 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, 284086773 + ... + 284086796.

It is an arithmetic number, because the mean of its divisors is an integer number (1325738330).

Almost surely, 26818082828 is an apocalyptic number.

It is an amenable number.

6818082828 is an abundant number, since it is smaller than the sum of its proper divisors (9090777132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6818082828 is a wasteful number, since it uses less digits than its factorization.

6818082828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568173576 (or 568173574 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 51.

The square root of 6818082828 is about 82571.6829669833. The cubic root of 6818082828 is about 1896.2143299962.

The spelling of 6818082828 in words is "six billion, eight hundred eighteen million, eighty-two thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 568173569 1136347138 1704520707 2272694276 3409041414 6818082828