Base | Representation |
---|---|
bin | 1011000101010101011… |
… | …10101111111100111111 |
3 | 1100101222002211211010000 |
4 | 11202222232233330333 |
5 | 22214410301110212 |
6 | 450540314245343 |
7 | 36341053241643 |
oct | 5425256577477 |
9 | 1311862754100 |
10 | 380821503807 |
11 | 1375618a1348 |
12 | 61980426853 |
13 | 29bb0205344 |
14 | 14609042c23 |
15 | 9d8cd511dc |
hex | 58aabaff3f |
380821503807 has 20 divisors (see below), whose sum is σ = 568987372096. Its totient is φ = 253833756480.
The previous prime is 380821503791. The next prime is 380821503841. The reversal of 380821503807 is 708305128083.
It is not a de Polignac number, because 380821503807 - 24 = 380821503791 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380821503857) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3207 + ... + 872727.
Almost surely, 2380821503807 is an apocalyptic number.
380821503807 is a deficient number, since it is larger than the sum of its proper divisors (188165868289).
380821503807 is an equidigital number, since it uses as much as digits as its factorization.
380821503807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 874940 (or 874931 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 45.
The spelling of 380821503807 in words is "three hundred eighty billion, eight hundred twenty-one million, five hundred three thousand, eight hundred seven".
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