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4245281977 is a prime number
BaseRepresentation
bin1111110100001001…
…1101110010111001
3101221212020200001211
43331002131302321
532143243010402
61541131043121
7210126205246
oct37502356271
911855220054
104245281977
111889395202
129a58a04a1
135286a1791
142c3b625cd
1519ca764d7
hexfd09dcb9

4245281977 has 2 divisors, whose sum is σ = 4245281978. Its totient is φ = 4245281976.

The previous prime is 4245281951. The next prime is 4245281993. The reversal of 4245281977 is 7791825424.

4245281977 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4017151161 + 228130816 = 63381^2 + 15104^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245281977 - 219 = 4244757689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4245281977.

It is not a weakly prime, because it can be changed into another prime (4245281917) 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, 2122640988 + 2122640989.

It is an arithmetic number, because the mean of its divisors is an integer number (2122640989).

Almost surely, 24245281977 is an apocalyptic number.

It is an amenable number.

4245281977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245281977 is an equidigital number, since it uses as much as digits as its factorization.

4245281977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 49.

The square root of 4245281977 is about 65155.8284192596. The cubic root of 4245281977 is about 1619.2062840742.

The spelling of 4245281977 in words is "four billion, two hundred forty-five million, two hundred eighty-one thousand, nine hundred seventy-seven".