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142444411121 = 1511289731839
BaseRepresentation
bin1000010010101001011…
…0010011100011110001
3111121200012021211102102
42010222112103203301
54313211232123441
6145234342030145
713201622342225
oct2045226234361
9447605254372
10142444411121
115545717a421
1223734418355
131058112a1cc
146c7412c785
153a8a61b69b
hex212a5938f1

142444411121 has 8 divisors (see below), whose sum is σ = 143499187200. Its totient is φ = 141391101600.

The previous prime is 142444411103. The next prime is 142444411133. The reversal of 142444411121 is 121114444241.

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

It is a cyclic number.

It is not a de Polignac number, because 142444411121 - 234 = 125264541937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142444411181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171281 + ... + 560558.

It is an arithmetic number, because the mean of its divisors is an integer number (17937398400).

Almost surely, 2142444411121 is an apocalyptic number.

It is an amenable number.

142444411121 is a deficient number, since it is larger than the sum of its proper divisors (1054776079).

142444411121 is a wasteful number, since it uses less digits than its factorization.

142444411121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733279.

The product of its digits is 4096, while the sum is 29.

Adding to 142444411121 its reverse (121114444241), we get a palindrome (263558855362).

The spelling of 142444411121 in words is "one hundred forty-two billion, four hundred forty-four million, four hundred eleven thousand, one hundred twenty-one".

Divisors: 1 151 1289 194639 731839 110507689 943340471 142444411121