Base | Representation |
---|---|
bin | 1001011011110101110111… |
… | …01100100110111111010011 |
3 | 2201110110210201101020002020 |
4 | 10231322323230212333103 |
5 | 10204413034303314412 |
6 | 112043232051422523 |
7 | 4240660562166441 |
oct | 455727354467723 |
9 | 81413721336066 |
10 | 20747841073107 |
11 | 667a123432a85 |
12 | 23b10a1bb4a43 |
13 | b76689140155 |
14 | 51a2b5267b91 |
15 | 25ea73ecb18c |
hex | 12debbb26fd3 |
20747841073107 has 32 divisors (see below), whose sum is σ = 28276521984000. Its totient is φ = 13528100649120.
The previous prime is 20747841073103. The next prime is 20747841073123. The reversal of 20747841073107 is 70137014874702.
It is not a de Polignac number, because 20747841073107 - 22 = 20747841073103 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 20747841073107.
It is not an unprimeable number, because it can be changed into a prime (20747841073103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27008244 + ... + 27765822.
It is an arithmetic number, because the mean of its divisors is an integer number (883641312000).
Almost surely, 220747841073107 is an apocalyptic number.
20747841073107 is a deficient number, since it is larger than the sum of its proper divisors (7528680910893).
20747841073107 is a wasteful number, since it uses less digits than its factorization.
20747841073107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 758431.
The product of its (nonzero) digits is 1843968, while the sum is 51.
The spelling of 20747841073107 in words is "twenty trillion, seven hundred forty-seven billion, eight hundred forty-one million, seventy-three thousand, one hundred seven".
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