Base | Representation |
---|---|
bin | 11101011001011001001… |
… | …001111111101111101010 |
3 | 21011010022100210020012120 |
4 | 131121121021333233222 |
5 | 231044211341443423 |
6 | 4144011325452110 |
7 | 265643500160202 |
oct | 35313111775752 |
9 | 7133270706176 |
10 | 2020130421738 |
11 | 709806a5a670 |
12 | 287621711036 |
13 | 118660c74720 |
14 | 6dabc205402 |
15 | 3783540bee3 |
hex | 1d65927fbea |
2020130421738 has 32 divisors (see below), whose sum is σ = 4746600153792. Its totient is φ = 565071446400.
The previous prime is 2020130421733. The next prime is 2020130421781. The reversal of 2020130421738 is 8371240310202.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2020130421699 and 2020130421708.
It is not an unprimeable number, because it can be changed into a prime (2020130421733) 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, 1177231323 + ... + 1177233038.
It is an arithmetic number, because the mean of its divisors is an integer number (148331254806).
Almost surely, 22020130421738 is an apocalyptic number.
2020130421738 is an abundant number, since it is smaller than the sum of its proper divisors (2726469732054).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020130421738 is a wasteful number, since it uses less digits than its factorization.
2020130421738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2354464390.
The product of its (nonzero) digits is 16128, while the sum is 33.
The spelling of 2020130421738 in words is "two trillion, twenty billion, one hundred thirty million, four hundred twenty-one thousand, seven hundred thirty-eight".
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