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1928054543 is a prime number
BaseRepresentation
bin111001011101011…
…1100011100001111
311222100222022121112
41302322330130033
512422040221133
6515152522235
765531123162
oct16272743417
94870868545
101928054543
118aa377a08
1245985037b
132495a719c
141440cbad9
15b4400648
hex72ebc70f

1928054543 has 2 divisors, whose sum is σ = 1928054544. Its totient is φ = 1928054542.

The previous prime is 1928054519. The next prime is 1928054551. The reversal of 1928054543 is 3454508291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1928054543 - 214 = 1928038159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1928054543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1928054503) 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, 964027271 + 964027272.

It is an arithmetic number, because the mean of its divisors is an integer number (964027272).

Almost surely, 21928054543 is an apocalyptic number.

1928054543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1928054543 is an equidigital number, since it uses as much as digits as its factorization.

1928054543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 1928054543 is about 43909.6178872010. The cubic root of 1928054543 is about 1244.6285872416.

The spelling of 1928054543 in words is "one billion, nine hundred twenty-eight million, fifty-four thousand, five hundred forty-three".