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1442234042143 = 12211118109413
BaseRepresentation
bin10100111111001011110…
…110010000011100011111
312002212122202210102122221
4110333023312100130133
5142112143403322033
63022315252450211
7206124622042156
oct24771366203437
95085582712587
101442234042143
11506714577254
121b3621319967
13a600477985b
144db3979659d
15277b0d3a12d
hex14fcbd9071f

1442234042143 has 4 divisors (see below), whose sum is σ = 1442352163768. Its totient is φ = 1442115920520.

The previous prime is 1442234042141. The next prime is 1442234042189. The reversal of 1442234042143 is 3412404322441.

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

It is a cyclic number.

It is not a de Polignac number, because 1442234042143 - 21 = 1442234042141 is a prime.

It is a super-2 number, since 2×14422340421432 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442234042099 and 1442234042108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442234042141) 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, 59042496 + ... + 59066917.

It is an arithmetic number, because the mean of its divisors is an integer number (360588040942).

Almost surely, 21442234042143 is an apocalyptic number.

1442234042143 is a deficient number, since it is larger than the sum of its proper divisors (118121625).

1442234042143 is a wasteful number, since it uses less digits than its factorization.

1442234042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118121624.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 1442234042143 its reverse (3412404322441), we get a palindrome (4854638364584).

The spelling of 1442234042143 in words is "one trillion, four hundred forty-two billion, two hundred thirty-four million, forty-two thousand, one hundred forty-three".

Divisors: 1 12211 118109413 1442234042143