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6568730453 = 17461838169
BaseRepresentation
bin1100001111000011…
…01101111101010101
3121221210020002012002
412013201231331111
5101423043333303
63003450405045
7321531200435
oct60741557525
917853202162
106568730453
11287097145a
121333a30785
13808b6686c
144645762c5
15286a2a788
hex18786df55

6568730453 has 8 divisors (see below), whose sum is σ = 6970221720. Its totient is φ = 6168916480.

The previous prime is 6568730447. The next prime is 6568730479. The reversal of 6568730453 is 3540378656.

It can be written as a sum of positive squares in 4 ways, for example, as 75916369 + 6492814084 = 8713^2 + 80578^2 .

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

It is not a de Polignac number, because 6568730453 - 24 = 6568730437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6568730398 and 6568730407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6568730423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411248 + ... + 426921.

It is an arithmetic number, because the mean of its divisors is an integer number (871277715).

Almost surely, 26568730453 is an apocalyptic number.

It is an amenable number.

6568730453 is a deficient number, since it is larger than the sum of its proper divisors (401491267).

6568730453 is a wasteful number, since it uses less digits than its factorization.

6568730453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838647.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The square root of 6568730453 is about 81047.7047978535. The cubic root of 6568730453 is about 1872.8104054921.

The spelling of 6568730453 in words is "six billion, five hundred sixty-eight million, seven hundred thirty thousand, four hundred fifty-three".

Divisors: 1 17 461 7837 838169 14248873 386395909 6568730453