Base | Representation |
---|---|
bin | 10001001011001000… |
… | …011011110010001101 |
3 | 1202121010210220221100 |
4 | 101023020123302031 |
5 | 300231213340331 |
6 | 12245453053313 |
7 | 1221653366400 |
oct | 211310336215 |
9 | 52533726840 |
10 | 18440371341 |
11 | 7903121a17 |
12 | 36a7787239 |
13 | 197b538742 |
14 | c6d0ddd37 |
15 | 72dd93ae6 |
hex | 44b21bc8d |
18440371341 has 72 divisors (see below), whose sum is σ = 31531197984. Its totient is φ = 10352422080.
The previous prime is 18440371319. The next prime is 18440371441. The reversal of 18440371341 is 14317304481.
18440371341 is a `hidden beast` number, since 184 + 403 + 71 + 3 + 4 + 1 = 666.
It is not a de Polignac number, because 18440371341 - 26 = 18440371277 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 18440371296 and 18440371305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18440371241) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16870791 + ... + 16871883.
Almost surely, 218440371341 is an apocalyptic number.
It is an amenable number.
18440371341 is a deficient number, since it is larger than the sum of its proper divisors (13090826643).
18440371341 is a wasteful number, since it uses less digits than its factorization.
18440371341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1751 (or 1741 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The spelling of 18440371341 in words is "eighteen billion, four hundred forty million, three hundred seventy-one thousand, three hundred forty-one".
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