Base | Representation |
---|---|
bin | 1001010100000011000100… |
… | …11011100110101111011111 |
3 | 2200111212121021112011122122 |
4 | 10222001202123212233133 |
5 | 10141021123200033241 |
6 | 111320224012533155 |
7 | 4212430603136510 |
oct | 452014233465737 |
9 | 80455537464578 |
10 | 20480055471071 |
11 | 65865a7443779 |
12 | 23692091811bb |
13 | b573513a95b1 |
14 | 50b3506b8a07 |
15 | 257aeea5904b |
hex | 12a0626e6bdf |
20480055471071 has 16 divisors (see below), whose sum is σ = 23425656844800. Its totient is φ = 17539430089248.
The previous prime is 20480055471037. The next prime is 20480055471079. The reversal of 20480055471071 is 17017455008402.
It is a cyclic number.
It is not a de Polignac number, because 20480055471071 - 210 = 20480055470047 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20480055471079) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39751265 + ... + 40263173.
It is an arithmetic number, because the mean of its divisors is an integer number (1464103552800).
Almost surely, 220480055471071 is an apocalyptic number.
20480055471071 is a deficient number, since it is larger than the sum of its proper divisors (2945601373729).
20480055471071 is a wasteful number, since it uses less digits than its factorization.
20480055471071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 516758.
The product of its (nonzero) digits is 313600, while the sum is 44.
The spelling of 20480055471071 in words is "twenty trillion, four hundred eighty billion, fifty-five million, four hundred seventy-one thousand, seventy-one".
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