Base | Representation |
---|---|
bin | 1000001110001101011010… |
… | …01000101000110001100110 |
3 | 2101000110201200221011210122 |
4 | 10013012231020220301212 |
5 | 4332212201022241043 |
6 | 102242010425121542 |
7 | 3544160466604151 |
oct | 407065510506146 |
9 | 71013650834718 |
10 | 18080422071398 |
11 | 58409559a3875 |
12 | 20401349292b2 |
13 | a11c90452c7b |
14 | 467150614c98 |
15 | 2154a744a368 |
hex | 1071ad228c66 |
18080422071398 has 32 divisors (see below), whose sum is σ = 29645345157120. Its totient is φ = 8233118513280.
The previous prime is 18080422071391. The next prime is 18080422071401. The reversal of 18080422071398 is 89317022408081.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18080422071391) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9388793 + ... + 11149451.
It is an arithmetic number, because the mean of its divisors is an integer number (926417036160).
Almost surely, 218080422071398 is an apocalyptic number.
18080422071398 is a deficient number, since it is larger than the sum of its proper divisors (11564923085722).
18080422071398 is a wasteful number, since it uses less digits than its factorization.
18080422071398 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1770452.
The product of its (nonzero) digits is 1548288, while the sum is 53.
The spelling of 18080422071398 in words is "eighteen trillion, eighty billion, four hundred twenty-two million, seventy-one thousand, three hundred ninety-eight".
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