Search a number
-
+
389112021221111 = 1991122480329379
BaseRepresentation
bin101100001111001010011001…
…1110011010111111011110111
31220000201202010210022002022122
41120132110303303113323313
5402000202404413033421
63455323332250550155
7144650262424214246
oct13036246363277367
91800652123262278
10389112021221111
11102a8a532939171
123778462473835b
131391714c2bb126
146c1319d8b695d
152eeba6b2222ab
hex161e533cd7ef7

389112021221111 has 8 divisors (see below), whose sum is σ = 410041207891200. Its totient is φ = 368227795211640.

The previous prime is 389112021221087. The next prime is 389112021221159. The reversal of 389112021221111 is 111122120211983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-389112021221111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389112021221411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11240147381 + ... + 11240181998.

It is an arithmetic number, because the mean of its divisors is an integer number (51255150986400).

Almost surely, 2389112021221111 is an apocalyptic number.

389112021221111 is a deficient number, since it is larger than the sum of its proper divisors (20929186670089).

389112021221111 is a wasteful number, since it uses less digits than its factorization.

389112021221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22480330309.

The product of its (nonzero) digits is 3456, while the sum is 35.

The spelling of 389112021221111 in words is "three hundred eighty-nine trillion, one hundred twelve billion, twenty-one million, two hundred twenty-one thousand, one hundred eleven".

Divisors: 1 19 911 17309 22480329379 427126258201 20479580064269 389112021221111