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1442244422441 = 9901145666541
BaseRepresentation
bin10100111111001100011…
…101110110101100101001
312002212200111022210202102
4110333030131312230221
5142112204033004231
63022320303143145
7206125106214344
oct24771435665451
95085614283672
101442244422441
1150671a417109
121b36248a4ab5
13a6006972544
144db3acd945b
15277b1bdaacb
hex14fcc776b29

1442244422441 has 4 divisors (see below), whose sum is σ = 1442390098884. Its totient is φ = 1442098746000.

The previous prime is 1442244422419. The next prime is 1442244422459.

It is a happy number.

1442244422441 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1252096098841 + 190148323600 = 1118971^2 + 436060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1442244422441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442244422395 and 1442244422404.

It is not an unprimeable number, because it can be changed into a prime (1442244422141) 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, 72823370 + ... + 72843171.

It is an arithmetic number, because the mean of its divisors is an integer number (360597524721).

Almost surely, 21442244422441 is an apocalyptic number.

It is an amenable number.

1442244422441 is a deficient number, since it is larger than the sum of its proper divisors (145676443).

1442244422441 is an equidigital number, since it uses as much as digits as its factorization.

1442244422441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145676442.

The product of its digits is 262144, while the sum is 38.

The spelling of 1442244422441 in words is "one trillion, four hundred forty-two billion, two hundred forty-four million, four hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 9901 145666541 1442244422441