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4754625781 is a prime number
BaseRepresentation
bin1000110110110010…
…11101010011110101
3110021100200000102011
410123121131103311
534214141011111
62103444044221
7225552436513
oct43331352365
913240600364
104754625781
11201a9537a4
12b08393671
135aa078849
1433166b4b3
151cc638021
hex11b65d4f5

4754625781 has 2 divisors, whose sum is σ = 4754625782. Its totient is φ = 4754625780.

The previous prime is 4754625769. The next prime is 4754625829. The reversal of 4754625781 is 1875264574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4628625156 + 126000625 = 68034^2 + 11225^2 .

It is a cyclic number.

It is not a de Polignac number, because 4754625781 - 25 = 4754625749 is a prime.

It is a super-2 number, since 2×47546257812 = 45212932634699719922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4754625761) 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 as a sum of consecutive naturals, namely, 2377312890 + 2377312891.

It is an arithmetic number, because the mean of its divisors is an integer number (2377312891).

Almost surely, 24754625781 is an apocalyptic number.

It is an amenable number.

4754625781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4754625781 is an equidigital number, since it uses as much as digits as its factorization.

4754625781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1881600, while the sum is 49.

The square root of 4754625781 is about 68953.7945366316. The cubic root of 4754625781 is about 1681.5332022182.

The spelling of 4754625781 in words is "four billion, seven hundred fifty-four million, six hundred twenty-five thousand, seven hundred eighty-one".