Base | Representation |
---|---|
bin | 1011000100010000011… |
… | …00100011110011011101 |
3 | 1100100110201121212012010 |
4 | 11202020030203303131 |
5 | 22212213440201210 |
6 | 450403020101433 |
7 | 36320516441046 |
oct | 5421014436335 |
9 | 1310421555163 |
10 | 380242115805 |
11 | 137294841592 |
12 | 6183a394879 |
13 | 29b1a1755c6 |
14 | 145921038cd |
15 | 9d57055920 |
hex | 5888323cdd |
380242115805 has 16 divisors (see below), whose sum is σ = 608420030400. Its totient is φ = 202784913408.
The previous prime is 380242115761. The next prime is 380242115807. The reversal of 380242115805 is 508511242083.
It is not a de Polignac number, because 380242115805 - 28 = 380242115549 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (380242115807) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387172 + ... + 954141.
It is an arithmetic number, because the mean of its divisors is an integer number (38026251900).
Almost surely, 2380242115805 is an apocalyptic number.
It is an amenable number.
380242115805 is a deficient number, since it is larger than the sum of its proper divisors (228177914595).
380242115805 is a wasteful number, since it uses less digits than its factorization.
380242115805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1360220.
The product of its (nonzero) digits is 76800, while the sum is 39.
Adding to 380242115805 its reverse (508511242083), we get a palindrome (888753357888).
The spelling of 380242115805 in words is "three hundred eighty billion, two hundred forty-two million, one hundred fifteen thousand, eight hundred five".
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