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4890270857 is a prime number
BaseRepresentation
bin1001000110111101…
…11001110010001001
3110121210220111110212
410203132321302021
540003402131412
62125131250505
7232120421303
oct44336716211
913553814425
104890270857
11208a48096a
12b458a9a35
135cc1bc8c4
1434569a973
151d94ce222
hex1237b9c89

4890270857 has 2 divisors, whose sum is σ = 4890270858. Its totient is φ = 4890270856.

The previous prime is 4890270817. The next prime is 4890270883. The reversal of 4890270857 is 7580720984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4883773456 + 6497401 = 69884^2 + 2549^2 .

It is a cyclic number.

It is not a de Polignac number, because 4890270857 - 210 = 4890269833 is a prime.

It is not a weakly prime, because it can be changed into another prime (4890270817) 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, 2445135428 + 2445135429.

It is an arithmetic number, because the mean of its divisors is an integer number (2445135429).

Almost surely, 24890270857 is an apocalyptic number.

It is an amenable number.

4890270857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4890270857 is an equidigital number, since it uses as much as digits as its factorization.

4890270857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 4890270857 is about 69930.4715914314. The cubic root of 4890270857 is about 1697.3743616864.

The spelling of 4890270857 in words is "four billion, eight hundred ninety million, two hundred seventy thousand, eight hundred fifty-seven".