Base | Representation |
---|---|
bin | 11001000010000000011… |
… | …101001001010010011111 |
3 | 20002102222122201120211120 |
4 | 121002000131021102133 |
5 | 211140322330323041 |
6 | 3354120005422023 |
7 | 235163503053612 |
oct | 31020035112237 |
9 | 6072878646746 |
10 | 1720142042271 |
11 | 603565380014 |
12 | 23946010a913 |
13 | c6293684193 |
14 | 5d38084a179 |
15 | 2eb28c96366 |
hex | 1908074949f |
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".
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