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1143143683 = 11192287873
BaseRepresentation
bin100010000100010…
…1111110100000011
32221200000201022221
41010020233310003
54320121044213
6305233311511
740220363263
oct10410576403
92850021287
101143143683
11537302850
1227aa05597
13152aa83a6
14abb6d7a3
156a55938d
hex4422fd03

1143143683 has 12 divisors (see below), whose sum is σ = 1316159928. Its totient is φ = 984522240.

The previous prime is 1143143671. The next prime is 1143143689. The reversal of 1143143683 is 3863413411.

It is not a de Polignac number, because 1143143683 - 221 = 1141046531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143143689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139966 + ... + 147907.

It is an arithmetic number, because the mean of its divisors is an integer number (109679994).

Almost surely, 21143143683 is an apocalyptic number.

1143143683 is a deficient number, since it is larger than the sum of its proper divisors (173016245).

1143143683 is a wasteful number, since it uses less digits than its factorization.

1143143683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287922 (or 287903 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 1143143683 is about 33810.4079093997. The cubic root of 1143143683 is about 1045.6032880130.

The spelling of 1143143683 in words is "one billion, one hundred forty-three million, one hundred forty-three thousand, six hundred eighty-three".

Divisors: 1 11 19 209 361 3971 287873 3166603 5469587 60165457 103922153 1143143683