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16868144108 = 2220872020621
BaseRepresentation
bin11111011010110101…
…10111001111101100
31121112120101111122002
433231122313033230
5234021221102413
611425450511432
71135002600464
oct175532671754
947476344562
1016868144108
11717669a372
123329135578
13178a8a7c7a
14b60398ba4
1568ad2d958
hex3ed6b73ec

16868144108 has 12 divisors (see below), whose sum is σ = 29533411152. Its totient is φ = 8430026640.

The previous prime is 16868144099. The next prime is 16868144113. The reversal of 16868144108 is 80144186861.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001963 + ... + 1018658.

It is an arithmetic number, because the mean of its divisors is an integer number (2461117596).

Almost surely, 216868144108 is an apocalyptic number.

It is an amenable number.

16868144108 is a deficient number, since it is larger than the sum of its proper divisors (12665267044).

16868144108 is a wasteful number, since it uses less digits than its factorization.

16868144108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022712 (or 2022710 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The spelling of 16868144108 in words is "sixteen billion, eight hundred sixty-eight million, one hundred forty-four thousand, one hundred eight".

Divisors: 1 2 4 2087 4174 8348 2020621 4041242 8082484 4217036027 8434072054 16868144108