Base | Representation |
---|---|
bin | 11011100111010100… |
… | …10111001101000010 |
3 | 1102021012120200102200 |
4 | 31303222113031002 |
5 | 220330244334233 |
6 | 10451035254030 |
7 | 1033246465044 |
oct | 156352271502 |
9 | 42235520380 |
10 | 14825386818 |
11 | 63185a9600 |
12 | 2a58baa316 |
13 | 1523610048 |
14 | a08d6da94 |
15 | 5bb822313 |
hex | 373a97342 |
14825386818 has 54 divisors (see below), whose sum is σ = 35320829817. Its totient is φ = 4490819520.
The previous prime is 14825386813. The next prime is 14825386831. The reversal of 14825386818 is 81868352841.
14825386818 is a `hidden beast` number, since 1 + 48 + 2 + 538 + 68 + 1 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 14819897169 + 5489649 = 121737^2 + 2343^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=86097.
It is not an unprimeable number, because it can be changed into a prime (14825386811) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5681098 + ... + 5683706.
Almost surely, 214825386818 is an apocalyptic number.
14825386818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 14825386818
14825386818 is an abundant number, since it is smaller than the sum of its proper divisors (20495442999).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14825386818 is an equidigital number, since it uses as much as digits as its factorization.
14825386818 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5248 (or 2625 counting only the distinct ones).
The product of its digits is 2949120, while the sum is 54.
The spelling of 14825386818 in words is "fourteen billion, eight hundred twenty-five million, three hundred eighty-six thousand, eight hundred eighteen".
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