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56600730305 = 572231023389
BaseRepresentation
bin110100101101101010…
…101001101011000001
312102002121021000100122
4310231222221223001
51411404241332210
642000234030025
74042422161300
oct645552515301
9172077230318
1056600730305
1122005700469
12ab77578315
13545042b8c2
142a4d236437
1517140e1b55
hexd2daa9ac1

56600730305 has 12 divisors (see below), whose sum is σ = 79009999380. Its totient is φ = 38811929184.

The previous prime is 56600730301. The next prime is 56600730311. The reversal of 56600730305 is 50303700665.

56600730305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27274852801 + 29325877504 = 165151^2 + 171248^2 .

It is not a de Polignac number, because 56600730305 - 22 = 56600730301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56600730301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115511450 + ... + 115511939.

It is an arithmetic number, because the mean of its divisors is an integer number (6584166615).

Almost surely, 256600730305 is an apocalyptic number.

It is an amenable number.

56600730305 is a deficient number, since it is larger than the sum of its proper divisors (22409269075).

56600730305 is a wasteful number, since it uses less digits than its factorization.

56600730305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231023408 (or 231023401 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 35.

The spelling of 56600730305 in words is "fifty-six billion, six hundred million, seven hundred thirty thousand, three hundred five".

Divisors: 1 5 7 35 49 245 231023389 1155116945 1617163723 8085818615 11320146061 56600730305