Base | Representation |
---|---|
bin | 101100001011000010100100… |
… | …0000000100101100001011010 |
3 | 1212221201120122200200202010010 |
4 | 1120112011020000211201122 |
5 | 401411412012140432012 |
6 | 3454211145345502350 |
7 | 144561323555020602 |
oct | 13026051000454132 |
9 | 1787646580622103 |
10 | 388545424545882 |
11 | 1028912098859aa |
12 | 376b28586419b6 |
13 | 138a58a3b43c66 |
14 | 6bd39ada71c02 |
15 | 2edbe58b90c3c |
hex | 161614802585a |
388545424545882 has 24 divisors (see below), whose sum is σ = 782804448187776. Its totient is φ = 128569775481568.
The previous prime is 388545424545853. The next prime is 388545424545893. The reversal of 388545424545882 is 288545424545883.
It is an unprimeable number.
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, 1725007818 + ... + 1725233045.
It is an arithmetic number, because the mean of its divisors is an integer number (32616852007824).
Almost surely, 2388545424545882 is an apocalyptic number.
388545424545882 is an abundant number, since it is smaller than the sum of its proper divisors (394259023641894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388545424545882 is a wasteful number, since it uses less digits than its factorization.
388545424545882 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3450241142 (or 3450241005 counting only the distinct ones).
The product of its digits is 7864320000, while the sum is 75.
Subtracting from 388545424545882 its reverse (288545424545883), we obtain a palindrome (99999999999999).
The spelling of 388545424545882 in words is "three hundred eighty-eight trillion, five hundred forty-five billion, four hundred twenty-four million, five hundred forty-five thousand, eight hundred eighty-two".
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