Base | Representation |
---|---|
bin | 1000001111111101110010… |
… | …10000111110100010011100 |
3 | 2101020020110102012221011100 |
4 | 10013332321100332202130 |
5 | 4334204231303021203 |
6 | 102325425311553100 |
7 | 3551424552242604 |
oct | 407767120764234 |
9 | 71206412187140 |
10 | 18140755126428 |
11 | 58644a6382020 |
12 | 204b97222b790 |
13 | a17886bb262c |
14 | 46a035403c04 |
15 | 216d3903aea3 |
hex | 107fb943e89c |
18140755126428 has 144 divisors (see below), whose sum is σ = 52436353761792. Its totient is φ = 5238396576000.
The previous prime is 18140755126423. The next prime is 18140755126517. The reversal of 18140755126428 is 82462155704181.
18140755126428 is a `hidden beast` number, since 1 + 8 + 1 + 4 + 0 + 7 + 551 + 2 + 64 + 28 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18140755126423) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12293908 + ... + 13690203.
It is an arithmetic number, because the mean of its divisors is an integer number (364141345568).
Almost surely, 218140755126428 is an apocalyptic number.
18140755126428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
18140755126428 is an abundant number, since it is smaller than the sum of its proper divisors (34295598635364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18140755126428 is a wasteful number, since it uses less digits than its factorization.
18140755126428 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25984216 (or 25984211 counting only the distinct ones).
The product of its (nonzero) digits is 4300800, while the sum is 54.
The spelling of 18140755126428 in words is "eighteen trillion, one hundred forty billion, seven hundred fifty-five million, one hundred twenty-six thousand, four hundred twenty-eight".
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