Base | Representation |
---|---|
bin | 10001100000101110… |
… | …001000000000111000 |
3 | 1210112101100200201020 |
4 | 101200232020000320 |
5 | 302001424321433 |
6 | 12345432222440 |
7 | 1233642144105 |
oct | 214056100070 |
9 | 53471320636 |
10 | 18802573368 |
11 | 7a79620737 |
12 | 3788b3aa20 |
13 | 1a085a4877 |
14 | ca5265aac |
15 | 750a8ccb3 |
hex | 460b88038 |
18802573368 has 64 divisors (see below), whose sum is σ = 47805139200. Its totient is φ = 6161909760.
The previous prime is 18802573343. The next prime is 18802573369. The reversal of 18802573368 is 86337520881.
It is a self number, because there is not a number n which added to its sum of digits gives 18802573368.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18802573369) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316248 + ... + 370968.
It is an arithmetic number, because the mean of its divisors is an integer number (746955300).
Almost surely, 218802573368 is an apocalyptic number.
It is an amenable number.
18802573368 is an abundant number, since it is smaller than the sum of its proper divisors (29002565832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18802573368 is a wasteful number, since it uses less digits than its factorization.
18802573368 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54972 (or 54968 counting only the distinct ones).
The product of its (nonzero) digits is 1935360, while the sum is 51.
The spelling of 18802573368 in words is "eighteen billion, eight hundred two million, five hundred seventy-three thousand, three hundred sixty-eight".
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