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56678000747 is a prime number
BaseRepresentation
bin110100110010010001…
…011010100001101011
312102021222122202110212
4310302101122201223
51412034032010442
642012034131335
74044351025454
oct646221324153
9172258582425
1056678000747
1122045287935
12ab99420b4b
135463444764
142a595cc12b
15171aca6a82
hexd3245a86b

56678000747 has 2 divisors, whose sum is σ = 56678000748. Its totient is φ = 56678000746.

The previous prime is 56678000719. The next prime is 56678000761. The reversal of 56678000747 is 74700087665.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56678000747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56678000695 and 56678000704.

It is not a weakly prime, because it can be changed into another prime (56678000707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28339000373 + 28339000374.

It is an arithmetic number, because the mean of its divisors is an integer number (28339000374).

Almost surely, 256678000747 is an apocalyptic number.

56678000747 is a deficient number, since it is larger than the sum of its proper divisors (1).

56678000747 is an equidigital number, since it uses as much as digits as its factorization.

56678000747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 56678000747 in words is "fifty-six billion, six hundred seventy-eight million, seven hundred forty-seven", and thus it is an aban number.