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301242144143 = 1000930097127
BaseRepresentation
bin1000110001000110110…
…11100101010110001111
31001210120002020111011202
410120203123211112033
514413420442103033
6350215544340115
730523026656003
oct4304333452617
91053502214152
10301242144143
11106835378606
124a47147463b
132253a28a845
141081a0c2703
157c817718e8
hex46236e558f

301242144143 has 4 divisors (see below), whose sum is σ = 301272251280. Its totient is φ = 301212037008.

The previous prime is 301242144139. The next prime is 301242144163. The reversal of 301242144143 is 341441242103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341441242103 = 1326264710931.

It is a cyclic number.

It is not a de Polignac number, because 301242144143 - 22 = 301242144139 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 (301242144103) 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, 15038555 + ... + 15058572.

It is an arithmetic number, because the mean of its divisors is an integer number (75318062820).

Almost surely, 2301242144143 is an apocalyptic number.

301242144143 is a deficient number, since it is larger than the sum of its proper divisors (30107137).

301242144143 is a wasteful number, since it uses less digits than its factorization.

301242144143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30107136.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 301242144143 its reverse (341441242103), we get a palindrome (642683386246).

The spelling of 301242144143 in words is "three hundred one billion, two hundred forty-two million, one hundred forty-four thousand, one hundred forty-three".

Divisors: 1 10009 30097127 301242144143