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1143134344 = 231112990163
BaseRepresentation
bin100010000100010…
…1101100010001000
32221200000020112001
41010020231202020
54320120244334
6305233200344
740220324122
oct10410554210
92850006461
101143134344
115372a6830
1227aa000b4
13152aa4071
14abb6a212
156a556714
hex4422d888

1143134344 has 16 divisors (see below), whose sum is σ = 2338229520. Its totient is φ = 519606480.

The previous prime is 1143134323. The next prime is 1143134347. The reversal of 1143134344 is 4434313411.

It is a happy number.

It is a super-3 number, since 3×11431343443 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1143134347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6494994 + ... + 6495169.

It is an arithmetic number, because the mean of its divisors is an integer number (146139345).

Almost surely, 21143134344 is an apocalyptic number.

It is an amenable number.

1143134344 is an abundant number, since it is smaller than the sum of its proper divisors (1195095176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143134344 is a wasteful number, since it uses less digits than its factorization.

1143134344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990180 (or 12990176 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

The square root of 1143134344 is about 33810.2698007573. The cubic root of 1143134344 is about 1045.6004406264.

Adding to 1143134344 its reverse (4434313411), we get a palindrome (5577447755).

The spelling of 1143134344 in words is "one billion, one hundred forty-three million, one hundred thirty-four thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 12990163 25980326 51960652 103921304 142891793 285783586 571567172 1143134344