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442858730143 = 974565553919
BaseRepresentation
bin1100111000111000110…
…11111111001010011111
31120100002120211110000111
412130130123333022133
524223433313331033
6535240235310451
743665311045014
oct6343433771237
91510076743014
10442858730143
111608a7231735
12719b45ab427
13329b8a41aab
14176122c170b
15b7be36b7cd
hex671c6ff29f

442858730143 has 4 divisors (see below), whose sum is σ = 447424284160. Its totient is φ = 438293176128.

The previous prime is 442858730099. The next prime is 442858730239. The reversal of 442858730143 is 341037858244.

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 442858730143 - 29 = 442858729631 is a prime.

It is a super-2 number, since 2×4428587301432 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442858733143) 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, 2282776863 + ... + 2282777056.

It is an arithmetic number, because the mean of its divisors is an integer number (111856071040).

Almost surely, 2442858730143 is an apocalyptic number.

442858730143 is a deficient number, since it is larger than the sum of its proper divisors (4565554017).

442858730143 is an equidigital number, since it uses as much as digits as its factorization.

442858730143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565554016.

The product of its (nonzero) digits is 2580480, while the sum is 49.

The spelling of 442858730143 in words is "four hundred forty-two billion, eight hundred fifty-eight million, seven hundred thirty thousand, one hundred forty-three".

Divisors: 1 97 4565553919 442858730143