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380242115805 = 35188991341313
BaseRepresentation
bin1011000100010000011…
…00100011110011011101
31100100110201121212012010
411202020030203303131
522212213440201210
6450403020101433
736320516441046
oct5421014436335
91310421555163
10380242115805
11137294841592
126183a394879
1329b1a1755c6
14145921038cd
159d57055920
hex5888323cdd

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".

Divisors: 1 3 5 15 18899 56697 94495 283485 1341313 4023939 6706565 20119695 25349474387 76048423161 126747371935 380242115805