Base | Representation |
---|---|
bin | 1001001011111010110100… |
… | …11010111011011001000100 |
3 | 2122112011122212121202201022 |
4 | 10211331122122323121010 |
5 | 10121432113014422130 |
6 | 110544032352450312 |
7 | 4153312241414324 |
oct | 445753232733104 |
9 | 78464585552638 |
10 | 20200748201540 |
11 | 64890a8800115 |
12 | 2323059849998 |
13 | b36bcb61abca |
14 | 4dba15863284 |
15 | 250703d4e7e5 |
hex | 125f5a6bb644 |
20200748201540 has 12 divisors (see below), whose sum is σ = 42421571223276. Its totient is φ = 8080299280608.
The previous prime is 20200748201537. The next prime is 20200748201639. The reversal of 20200748201540 is 4510284700202.
20200748201540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 6163421925376 + 14037326276164 = 2482624^2 + 3746642^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 20200748201540.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505018705019 + ... + 505018705058.
It is an arithmetic number, because the mean of its divisors is an integer number (3535130935273).
Almost surely, 220200748201540 is an apocalyptic number.
20200748201540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20200748201540 is an abundant number, since it is smaller than the sum of its proper divisors (22220823021736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200748201540 is a wasteful number, since it uses less digits than its factorization.
20200748201540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1010037410086 (or 1010037410084 counting only the distinct ones).
The product of its (nonzero) digits is 35840, while the sum is 35.
The spelling of 20200748201540 in words is "twenty trillion, two hundred billion, seven hundred forty-eight million, two hundred one thousand, five hundred forty".
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