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142441121143 = 1717534779743
BaseRepresentation
bin1000010010101000100…
…1110000010101110111
3111121122222002200102101
42010222021300111313
54313204411334033
6145234143322531
713201552360366
oct2045211602567
9447588080371
10142441121143
1155455332632
12237332b0447
1310580547889
146c739137dd
153a8a1bb97d
hex212a270577

142441121143 has 8 divisors (see below), whose sum is σ = 150906077568. Its totient is φ = 133985727744.

The previous prime is 142441121111. The next prime is 142441121149. The reversal of 142441121143 is 341121144241.

It is a happy number.

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 142441121143 - 25 = 142441121111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142441121149) 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, 2360071 + ... + 2419672.

It is an arithmetic number, because the mean of its divisors is an integer number (18863259696).

Almost surely, 2142441121143 is an apocalyptic number.

142441121143 is a deficient number, since it is larger than the sum of its proper divisors (8464956425).

142441121143 is a wasteful number, since it uses less digits than its factorization.

142441121143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781513.

The product of its digits is 3072, while the sum is 28.

Adding to 142441121143 its reverse (341121144241), we get a palindrome (483562265384).

The spelling of 142441121143 in words is "one hundred forty-two billion, four hundred forty-one million, one hundred twenty-one thousand, one hundred forty-three".

Divisors: 1 17 1753 29801 4779743 81255631 8378889479 142441121143