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1143230041 = 10978713327
BaseRepresentation
bin100010000100100…
…0100111001011001
32221200012002210101
41010021010321121
54320131330131
6305235215401
740221203122
oct10411047131
92850162711
101143230041
11537361718
1227aa47561
13152b087a5
14abb93049
156a574c61
hex44244e59

1143230041 has 8 divisors (see below), whose sum is σ = 1155271040. Its totient is φ = 1131217488.

The previous prime is 1143230029. The next prime is 1143230071. The reversal of 1143230041 is 1400323411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1143230041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143230071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79120 + ... + 92446.

It is an arithmetic number, because the mean of its divisors is an integer number (144408880).

Almost surely, 21143230041 is an apocalyptic number.

It is an amenable number.

1143230041 is a deficient number, since it is larger than the sum of its proper divisors (12040999).

1143230041 is a wasteful number, since it uses less digits than its factorization.

1143230041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14223.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1143230041 is about 33811.6849772383. The cubic root of 1143230041 is about 1045.6296171427.

Adding to 1143230041 its reverse (1400323411), we get a palindrome (2543553452).

The spelling of 1143230041 in words is "one billion, one hundred forty-three million, two hundred thirty thousand, forty-one".

Divisors: 1 109 787 13327 85783 1452643 10488349 1143230041