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1442143113 = 3480714371
BaseRepresentation
bin101010111110101…
…0101101110001001
310201111122110102220
41111331111232021
510423142034423
6355034044253
750511004605
oct12575255611
93644573386
101442143113
11680063514
12342b79689
1319ca15928
14d9762505
158691b9e3
hex55f55b89

1442143113 has 4 divisors (see below), whose sum is σ = 1922857488. Its totient is φ = 961428740.

The previous prime is 1442143103. The next prime is 1442143121. The reversal of 1442143113 is 3113412441.

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 1442143113 - 25 = 1442143081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442143103) 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, 240357183 + ... + 240357188.

It is an arithmetic number, because the mean of its divisors is an integer number (480714372).

Almost surely, 21442143113 is an apocalyptic number.

It is an amenable number.

1442143113 is a deficient number, since it is larger than the sum of its proper divisors (480714375).

1442143113 is an equidigital number, since it uses as much as digits as its factorization.

1442143113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480714374.

The product of its digits is 1152, while the sum is 24.

The square root of 1442143113 is about 37975.5594165511. The cubic root of 1442143113 is about 1129.8031643471.

Adding to 1442143113 its reverse (3113412441), we get a palindrome (4555555554).

The spelling of 1442143113 in words is "one billion, four hundred forty-two million, one hundred forty-three thousand, one hundred thirteen".

Divisors: 1 3 480714371 1442143113