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3889735785017 = 29291745981769
BaseRepresentation
bin111000100110100110010…
…100011101101000111001
3111202212002101010012201222
4320212212110131220321
51002212134330110032
612134530413121425
7551011164434435
oct70464624355071
914685071105658
103889735785017
11126a69a499975
12529a34789275
13222a5394cc04
14d639b01d9c5
156b2aaac1a12
hex389a651da39

3889735785017 has 8 divisors (see below), whose sum is σ = 4025244145800. Its totient is φ = 3754319393664.

The previous prime is 3889735784953. The next prime is 3889735785037. The reversal of 3889735785017 is 7105875379883.

3889735785017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2568916550656 + 1320819234361 = 1602784^2 + 1149269^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3889735785017 - 26 = 3889735784953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3889735785037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22906292 + ... + 23075477.

It is an arithmetic number, because the mean of its divisors is an integer number (503155518225).

Almost surely, 23889735785017 is an apocalyptic number.

It is an amenable number.

3889735785017 is a deficient number, since it is larger than the sum of its proper divisors (135508360783).

3889735785017 is a wasteful number, since it uses less digits than its factorization.

3889735785017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45984715.

The product of its (nonzero) digits is 355622400, while the sum is 71.

The spelling of 3889735785017 in words is "three trillion, eight hundred eighty-nine billion, seven hundred thirty-five million, seven hundred eighty-five thousand, seventeen".

Divisors: 1 29 2917 84593 45981769 1333471301 134128820173 3889735785017