Base | Representation |
---|---|
bin | 1001011011111111001011… |
… | …10100110010110010101111 |
3 | 2201110221201022001202020120 |
4 | 10231333211310302302233 |
5 | 10210003310231011400 |
6 | 112045420244420023 |
7 | 4241225535336165 |
oct | 455774564626257 |
9 | 81427638052216 |
10 | 20752842828975 |
11 | 668125a82a214 |
12 | 23b20590a7613 |
13 | b76ca5464cca |
14 | 51a62b665235 |
15 | 25ec6817cca0 |
hex | 12dfe5d32caf |
20752842828975 has 96 divisors (see below), whose sum is σ = 35720029962240. Its totient is φ = 10624713840000.
The previous prime is 20752842828931. The next prime is 20752842828979. The reversal of 20752842828975 is 57982824825702.
It is not a de Polignac number, because 20752842828975 - 27 = 20752842828847 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20752842828979) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41802960 + ... + 42296490.
It is an arithmetic number, because the mean of its divisors is an integer number (372083645440).
Almost surely, 220752842828975 is an apocalyptic number.
20752842828975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20752842828975 is a deficient number, since it is larger than the sum of its proper divisors (14967187133265).
20752842828975 is a wasteful number, since it uses less digits than its factorization.
20752842828975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493821 (or 493816 counting only the distinct ones).
The product of its (nonzero) digits is 361267200, while the sum is 69.
The spelling of 20752842828975 in words is "twenty trillion, seven hundred fifty-two billion, eight hundred forty-two million, eight hundred twenty-eight thousand, nine hundred seventy-five".
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