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242144321141 = 1423170164667
BaseRepresentation
bin1110000110000011101…
…1010001111001110101
3212011000110021000121102
43201200323101321311
512431402421234031
6303123425055445
723331363524642
oct3414073217165
9764013230542
10242144321141
119376917a478
123ab19787585
1319aac709bc8
14ba11394dc9
15647332a7cb
hex3860ed1e75

242144321141 has 4 divisors (see below), whose sum is σ = 242314487232. Its totient is φ = 241974155052.

The previous prime is 242144321129. The next prime is 242144321143. The reversal of 242144321141 is 141123441242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242144321141 - 230 = 241070579317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242144321143) 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, 85080911 + ... + 85083756.

It is an arithmetic number, because the mean of its divisors is an integer number (60578621808).

Almost surely, 2242144321141 is an apocalyptic number.

It is an amenable number.

242144321141 is a deficient number, since it is larger than the sum of its proper divisors (170166091).

242144321141 is a wasteful number, since it uses less digits than its factorization.

242144321141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170166090.

The product of its digits is 6144, while the sum is 29.

Adding to 242144321141 its reverse (141123441242), we get a palindrome (383267762383).

The spelling of 242144321141 in words is "two hundred forty-two billion, one hundred forty-four million, three hundred twenty-one thousand, one hundred forty-one".

Divisors: 1 1423 170164667 242144321141