Base | Representation |
---|---|
bin | 1000010110000111010010… |
… | …11101110010110111101100 |
3 | 2101222102202122001202001110 |
4 | 10023003221131302313230 |
5 | 4401134412400043010 |
6 | 103010444511112020 |
7 | 3602614044201366 |
oct | 413035135626754 |
9 | 71872678052043 |
10 | 18352017190380 |
11 | 59360572a4595 |
12 | 20848b1512610 |
13 | a31784503973 |
14 | 4763570d1d36 |
15 | 21c5a1068120 |
hex | 10b0e9772dec |
18352017190380 has 48 divisors (see below), whose sum is σ = 52256591331840. Its totient is φ = 4810924279488.
The previous prime is 18352017190379. The next prime is 18352017190387. The reversal of 18352017190380 is 8309171025381.
It is not an unprimeable number, because it can be changed into a prime (18352017190387) 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, 2592089284 + ... + 2592096363.
It is an arithmetic number, because the mean of its divisors is an integer number (1088678986080).
Almost surely, 218352017190380 is an apocalyptic number.
18352017190380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18352017190380 is an abundant number, since it is smaller than the sum of its proper divisors (33904574141460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18352017190380 is a wasteful number, since it uses less digits than its factorization.
18352017190380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5184185718 (or 5184185716 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 48.
The spelling of 18352017190380 in words is "eighteen trillion, three hundred fifty-two billion, seventeen million, one hundred ninety thousand, three hundred eighty".
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