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4878802549 is a prime number
BaseRepresentation
bin1001000101100110…
…01001111001110101
3110121000022211220201
410202303021321311
534442433140144
62124041400501
7231621065065
oct44263117165
913530284821
104878802549
112083a58625
12b41a99131
135c9a0591a
14343d533a5
151d84b61d4
hex122cc9e75

4878802549 has 2 divisors, whose sum is σ = 4878802550. Its totient is φ = 4878802548.

The previous prime is 4878802543. The next prime is 4878802553. The reversal of 4878802549 is 9452088784.

It is a happy number.

4878802549 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., 3933547524 + 945255025 = 62718^2 + 30745^2 .

It is a cyclic number.

It is not a de Polignac number, because 4878802549 - 215 = 4878769781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4878802549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4878802543) 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, 2439401274 + 2439401275.

It is an arithmetic number, because the mean of its divisors is an integer number (2439401275).

Almost surely, 24878802549 is an apocalyptic number.

It is an amenable number.

4878802549 is a deficient number, since it is larger than the sum of its proper divisors (1).

4878802549 is an equidigital number, since it uses as much as digits as its factorization.

4878802549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The square root of 4878802549 is about 69848.4255298571. The cubic root of 4878802549 is about 1696.0464700994.

The spelling of 4878802549 in words is "four billion, eight hundred seventy-eight million, eight hundred two thousand, five hundred forty-nine".