Base | Representation |
---|---|
bin | 1000010110000001000000… |
… | …10011101100101000011110 |
3 | 2101222010001102122201022100 |
4 | 10023000200103230220132 |
5 | 4401111004413313344 |
6 | 103005125552025530 |
7 | 3602434314250665 |
oct | 413004023545036 |
9 | 71863042581270 |
10 | 18348642322974 |
11 | 5934685274777 |
12 | 208410b2322a6 |
13 | a3136726a4c2 |
14 | 476116bc7ddc |
15 | 21c454b27569 |
hex | 10b0204eca1e |
18348642322974 has 24 divisors (see below), whose sum is σ = 39810075898320. Its totient is φ = 6107801154048.
The previous prime is 18348642322973. The next prime is 18348642323051. The reversal of 18348642322974 is 47922324684381.
18348642322974 is a `hidden beast` number, since 1 + 8 + 3 + 486 + 42 + 3 + 22 + 97 + 4 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18348642322973) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 701066019 + ... + 701092190.
It is an arithmetic number, because the mean of its divisors is an integer number (1658753162430).
Almost surely, 218348642322974 is an apocalyptic number.
18348642322974 is an abundant number, since it is smaller than the sum of its proper divisors (21461433575346).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18348642322974 is a wasteful number, since it uses less digits than its factorization.
18348642322974 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1402158944 (or 1402158941 counting only the distinct ones).
The product of its digits is 111476736, while the sum is 63.
The spelling of 18348642322974 in words is "eighteen trillion, three hundred forty-eight billion, six hundred forty-two million, three hundred twenty-two thousand, nine hundred seventy-four".
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