Base | Representation |
---|---|
bin | 1011010100000000101… |
… | …11111001010101011010 |
3 | 1101011022020010202121110 |
4 | 11222000113321111122 |
5 | 22332024401220232 |
6 | 454322223121150 |
7 | 40040240215626 |
oct | 5520027712532 |
9 | 1334266122543 |
10 | 388700804442 |
11 | 13a93551a555 |
12 | 633bb1431b6 |
13 | 2a867738102 |
14 | 14b5568c186 |
15 | a19e958acc |
hex | 5a805f955a |
388700804442 has 16 divisors (see below), whose sum is σ = 788050946880. Its totient is φ = 127792045152.
The previous prime is 388700804431. The next prime is 388700804449. The reversal of 388700804442 is 244408007883.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 388700804391 and 388700804400.
It is not an unprimeable number, because it can be changed into a prime (388700804449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443721942 + ... + 443722817.
It is an arithmetic number, because the mean of its divisors is an integer number (49253184180).
Almost surely, 2388700804442 is an apocalyptic number.
388700804442 is an abundant number, since it is smaller than the sum of its proper divisors (399350142438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388700804442 is a wasteful number, since it uses less digits than its factorization.
388700804442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 887444837.
The product of its (nonzero) digits is 1376256, while the sum is 48.
The spelling of 388700804442 in words is "three hundred eighty-eight billion, seven hundred million, eight hundred four thousand, four hundred forty-two".
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