Base | Representation |
---|---|
bin | 1011000101010110001… |
… | …11100011100110000000 |
3 | 1100101222120002012112000 |
4 | 11202223013203212000 |
5 | 22214413432204114 |
6 | 450541105504000 |
7 | 36341162435031 |
oct | 5425307434600 |
9 | 1311876065460 |
10 | 380828006784 |
11 | 137565533105 |
12 | 61982642000 |
13 | 29bb1671264 |
14 | 14609c56a88 |
15 | 9d8d6d7e09 |
hex | 58ab1e3980 |
380828006784 has 128 divisors (see below), whose sum is σ = 1154349544800. Its totient is φ = 123511744512.
The previous prime is 380828006777. The next prime is 380828006807. The reversal of 380828006784 is 487600828083.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a self number, because there is not a number n which added to its sum of digits gives 380828006784.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 1361227 + ... + 1616970.
Almost surely, 2380828006784 is an apocalyptic number.
It is an amenable number.
380828006784 is an abundant number, since it is smaller than the sum of its proper divisors (773521538016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
380828006784 is a wasteful number, since it uses less digits than its factorization.
380828006784 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2978257 (or 2978239 counting only the distinct ones).
The product of its (nonzero) digits is 4128768, while the sum is 54.
The spelling of 380828006784 in words is "three hundred eighty billion, eight hundred twenty-eight million, six thousand, seven hundred eighty-four".
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