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289945549982 = 21113179343181
BaseRepresentation
bin1000011100000100001…
…10011111110010011110
31000201101210201001020102
410032002012133302132
514222302030044412
6341111003221102
726643056340104
oct4160206376236
91021353631212
10289945549982
11101a68782180
124823a217792
1321459a886ba
1410067a87c74
15781eb478c2
hex438219fc9e

289945549982 has 8 divisors (see below), whose sum is σ = 474456354552. Its totient is φ = 131793431800.

The previous prime is 289945549969. The next prime is 289945549997.

289945549982 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6589671569 + ... + 6589671612.

It is an arithmetic number, because the mean of its divisors is an integer number (59307044319).

Almost surely, 2289945549982 is an apocalyptic number.

289945549982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

289945549982 is a deficient number, since it is larger than the sum of its proper divisors (184510804570).

289945549982 is a wasteful number, since it uses less digits than its factorization.

289945549982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13179343194.

The product of its digits is 671846400, while the sum is 74.

The spelling of 289945549982 in words is "two hundred eighty-nine billion, nine hundred forty-five million, five hundred forty-nine thousand, nine hundred eighty-two".

Divisors: 1 2 11 22 13179343181 26358686362 144972774991 289945549982