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6893144065 = 541325110343
BaseRepresentation
bin1100110101101110…
…10000100000000001
3122210101200000000001
412122313100200001
5103104121102230
63100000000001
7332550520633
oct63267204001
918711600001
106893144065
112a18000185
121404600001
1385b131992
144956a2a53
152a525d0ca
hex19add0801

6893144065 has 16 divisors (see below), whose sum is σ = 8476949376. Its totient is φ = 5377840000.

The previous prime is 6893144059. The next prime is 6893144101. The reversal of 6893144065 is 5604413986.

It is not a de Polignac number, because 6893144065 - 29 = 6893143553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 661284 + ... + 671626.

It is an arithmetic number, because the mean of its divisors is an integer number (529809336).

Almost surely, 26893144065 is an apocalyptic number.

It is an amenable number.

6893144065 is a deficient number, since it is larger than the sum of its proper divisors (1583805311).

6893144065 is a wasteful number, since it uses less digits than its factorization.

6893144065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13640.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 6893144065 is about 83024.9604938178. The cubic root of 6893144065 is about 1903.1475129127.

The spelling of 6893144065 in words is "six billion, eight hundred ninety-three million, one hundred forty-four thousand, sixty-five".

Divisors: 1 5 41 205 3251 10343 16255 51715 133291 424063 666455 2120315 33625093 168125465 1378628813 6893144065