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2889779039 = 72635712749
BaseRepresentation
bin1010110000111110…
…1000011101011111
321110101121222121022
42230033220131133
521404240412124
61154425554355
7131416500530
oct25417503537
97411558538
102889779039
111253228844
126879459bb
13370902734
141d5b14687
1511da70c5e
hexac3e875f

2889779039 has 16 divisors (see below), whose sum is σ = 3322176000. Its totient is φ = 2462317920.

The previous prime is 2889779033. The next prime is 2889779063. The reversal of 2889779039 is 9309779882.

It is a cyclic number.

It is not a de Polignac number, because 2889779039 - 28 = 2889778783 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 (2889779033) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1049837 + ... + 1052585.

It is an arithmetic number, because the mean of its divisors is an integer number (207636000).

Almost surely, 22889779039 is an apocalyptic number.

2889779039 is a deficient number, since it is larger than the sum of its proper divisors (432396961).

2889779039 is a wasteful number, since it uses less digits than its factorization.

2889779039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590.

The product of its (nonzero) digits is 13716864, while the sum is 62.

The square root of 2889779039 is about 53756.6650658316. The cubic root of 2889779039 is about 1424.3658266056.

The spelling of 2889779039 in words is "two billion, eight hundred eighty-nine million, seven hundred seventy-nine thousand, thirty-nine".

Divisors: 1 7 263 571 1841 2749 3997 19243 150173 722987 1051211 1569679 5060909 10987753 412825577 2889779039