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1143103441 = 1960163339
BaseRepresentation
bin100010000100010…
…0101111111010001
32221122221200010111
41010020211333101
54320113302231
6305232401321
740220135044
oct10410457721
92848850114
101143103441
11537285597
1227a9a6241
13152a92c8c
14abb5cc5b
156a54c4b1
hex44225fd1

1143103441 has 4 divisors (see below), whose sum is σ = 1203266800. Its totient is φ = 1082940084.

The previous prime is 1143103439. The next prime is 1143103459. The reversal of 1143103441 is 1443013411.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1143103441 - 21 = 1143103439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143103471) 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, 30081651 + ... + 30081688.

It is an arithmetic number, because the mean of its divisors is an integer number (300816700).

Almost surely, 21143103441 is an apocalyptic number.

It is an amenable number.

1143103441 is a deficient number, since it is larger than the sum of its proper divisors (60163359).

1143103441 is an equidigital number, since it uses as much as digits as its factorization.

1143103441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60163358.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1143103441 is about 33809.8127915551. The cubic root of 1143103441 is about 1045.5910184380.

Adding to 1143103441 its reverse (1443013411), we get a palindrome (2586116852).

The spelling of 1143103441 in words is "one billion, one hundred forty-three million, one hundred three thousand, four hundred forty-one".

Divisors: 1 19 60163339 1143103441