Base | Representation |
---|---|
bin | 11010001101000111100… |
… | …010000010111000010000 |
3 | 20101011011020201122201201 |
4 | 122031013202002320100 |
5 | 214001010044412143 |
6 | 3455134441240544 |
7 | 244050201243340 |
oct | 32150742027020 |
9 | 6334136648651 |
10 | 1800791404048 |
11 | 63479088a21a |
12 | 251009493154 |
13 | 100a771a8620 |
14 | 6323193ad20 |
15 | 31c9928364d |
hex | 1a347882e10 |
1800791404048 has 160 divisors (see below), whose sum is σ = 4462214400000. Its totient is φ = 684747399168.
The previous prime is 1800791404037. The next prime is 1800791404063. The reversal of 1800791404048 is 8404041970081.
It is a junction number, because it is equal to n+sod(n) for n = 1800791403989 and 1800791404007.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9320328 + ... + 9511576.
It is an arithmetic number, because the mean of its divisors is an integer number (27888840000).
Almost surely, 21800791404048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1800791404048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2231107200000).
1800791404048 is an abundant number, since it is smaller than the sum of its proper divisors (2661422995952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1800791404048 is a wasteful number, since it uses less digits than its factorization.
1800791404048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191529 (or 191523 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 46.
The spelling of 1800791404048 in words is "one trillion, eight hundred billion, seven hundred ninety-one million, four hundred four thousand, forty-eight".
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