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1143044041 = 2349697567
BaseRepresentation
bin100010000100001…
…0111011111001001
32221122211122122111
41010020113133021
54320104402131
6305231222321
740216466626
oct10410273711
92848748574
101143044041
115372449a7
1227a9779a1
13152a71c29
14abb4534d
156a539ab1
hex442177c9

1143044041 has 4 divisors (see below), whose sum is σ = 1192741632. Its totient is φ = 1093346452.

The previous prime is 1143044039. The next prime is 1143044093. The reversal of 1143044041 is 1404403411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1404403411 = 1973915969.

It is a cyclic number.

It is not a de Polignac number, because 1143044041 - 21 = 1143044039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143044341) 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, 24848761 + ... + 24848806.

It is an arithmetic number, because the mean of its divisors is an integer number (298185408).

Almost surely, 21143044041 is an apocalyptic number.

It is an amenable number.

1143044041 is a deficient number, since it is larger than the sum of its proper divisors (49697591).

1143044041 is an equidigital number, since it uses as much as digits as its factorization.

1143044041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49697590.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1143044041 is about 33808.9343369471. The cubic root of 1143044041 is about 1045.5729071630.

Adding to 1143044041 its reverse (1404403411), we get a palindrome (2547447452).

The spelling of 1143044041 in words is "one billion, one hundred forty-three million, forty-four thousand, forty-one".

Divisors: 1 23 49697567 1143044041