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4278585061 is a prime number
BaseRepresentation
bin1111111100000110…
…0000011011100101
3102001011220122022101
43333001200123211
532230304210221
61544320532101
7211012241632
oct37701403345
912034818271
104278585061
1118a6171313
129b4a81031
1353256204a
142c8351189
151a0953d91
hexff0606e5

4278585061 has 2 divisors, whose sum is σ = 4278585062. Its totient is φ = 4278585060.

The previous prime is 4278585029. The next prime is 4278585067. The reversal of 4278585061 is 1605858724.

4278585061 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., 2496900961 + 1781684100 = 49969^2 + 42210^2 .

It is a cyclic number.

It is not a de Polignac number, because 4278585061 - 25 = 4278585029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4278585067) 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, 2139292530 + 2139292531.

It is an arithmetic number, because the mean of its divisors is an integer number (2139292531).

Almost surely, 24278585061 is an apocalyptic number.

It is an amenable number.

4278585061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278585061 is an equidigital number, since it uses as much as digits as its factorization.

4278585061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 537600, while the sum is 46.

The square root of 4278585061 is about 65410.8940544310. The cubic root of 4278585061 is about 1623.4293381749.

The spelling of 4278585061 in words is "four billion, two hundred seventy-eight million, five hundred eighty-five thousand, sixty-one".