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1143045055 = 55919919471
BaseRepresentation
bin100010000100001…
…0111101110111111
32221122211201001001
41010020113232333
54320104420210
6305231231131
740216502605
oct10410275677
92848751031
101143045055
11537245739
1227a9784a7
13152a72529
14abb45875
156a53a03a
hex44217bbf

1143045055 has 16 divisors (see below), whose sum is σ = 1401984000. Its totient is φ = 894373920.

The previous prime is 1143045037. The next prime is 1143045061. The reversal of 1143045055 is 5505403411.

It is not a de Polignac number, because 1143045055 - 211 = 1143043007 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 48970 + ... + 68440.

It is an arithmetic number, because the mean of its divisors is an integer number (87624000).

Almost surely, 21143045055 is an apocalyptic number.

1143045055 is a deficient number, since it is larger than the sum of its proper divisors (258938945).

1143045055 is a wasteful number, since it uses less digits than its factorization.

1143045055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19734.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1143045055 is about 33808.9493329799. The cubic root of 1143045055 is about 1045.5732163405.

Adding to 1143045055 its reverse (5505403411), we get a palindrome (6648448466).

The spelling of 1143045055 in words is "one billion, one hundred forty-three million, forty-five thousand, fifty-five".

Divisors: 1 5 59 199 295 995 11741 19471 58705 97355 1148789 3874729 5743945 19373645 228609011 1143045055