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1143020204 = 221999142949
BaseRepresentation
bin100010000100001…
…0001101010101100
32221122210102221122
41010020101222230
54320103121304
6305230520112
740216340264
oct10410215254
92848712848
101143020204
11537228aa7
1227a966038
13152a64121
14abb3a7a4
156a5329be
hex44211aac

1143020204 has 12 divisors (see below), whose sum is σ = 2001300000. Its totient is φ = 571220208.

The previous prime is 1143020191. The next prime is 1143020227. The reversal of 1143020204 is 4020203411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63479 + ... + 79470.

It is an arithmetic number, because the mean of its divisors is an integer number (166775000).

Almost surely, 21143020204 is an apocalyptic number.

It is an amenable number.

1143020204 is a deficient number, since it is larger than the sum of its proper divisors (858279796).

1143020204 is a wasteful number, since it uses less digits than its factorization.

1143020204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144952 (or 144950 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1143020204 is about 33808.5818099488. The cubic root of 1143020204 is about 1045.5656389990.

Adding to 1143020204 its reverse (4020203411), we get a palindrome (5163223615).

The spelling of 1143020204 in words is "one billion, one hundred forty-three million, twenty thousand, two hundred four".

Divisors: 1 2 4 1999 3998 7996 142949 285898 571796 285755051 571510102 1143020204