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1720142042271 = 359107448120269
BaseRepresentation
bin11001000010000000011…
…101001001010010011111
320002102222122201120211120
4121002000131021102133
5211140322330323041
63354120005422023
7235163503053612
oct31020035112237
96072878646746
101720142042271
11603565380014
1223946010a913
13c6293684193
145d38084a179
152eb28c96366
hex1908074949f

1720142042271 has 32 divisors (see below), whose sum is σ = 2354835628800. Its totient is φ = 1116484669440.

The previous prime is 1720142042261. The next prime is 1720142042341. The reversal of 1720142042271 is 1722402410271.

It is not a de Polignac number, because 1720142042271 - 214 = 1720142025887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1720142042251) 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 31 ways as a sum of consecutive naturals, for example, 84855525 + ... + 84875793.

It is an arithmetic number, because the mean of its divisors is an integer number (73588613400).

Almost surely, 21720142042271 is an apocalyptic number.

1720142042271 is a deficient number, since it is larger than the sum of its proper divisors (634693586529).

1720142042271 is a wasteful number, since it uses less digits than its factorization.

1720142042271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24919.

The product of its (nonzero) digits is 12544, while the sum is 33.

The spelling of 1720142042271 in words is "one trillion, seven hundred twenty billion, one hundred forty-two million, forty-two thousand, two hundred seventy-one".

Divisors: 1 3 59 107 177 321 4481 6313 13443 18939 20269 60807 264379 479467 793137 1195871 1438401 2168783 3587613 6506349 28288553 84865659 90825389 127958197 272476167 383874591 5358697951 9718316623 16076093853 29154949869 573380680757 1720142042271