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6838217024164 = 2212891326263969
BaseRepresentation
bin110001110000010010101…
…1111110010001010100100
3220012201122002202021100021
41203200211133302022210
51344014132024233124
622313233350524524
71304021251442551
oct143404537621244
926181562667307
106838217024164
1121a7087269039
12925361066744
133a7ac1b7c726
14198d859dba28
15bcd2746c7e4
hex638257f22a4

6838217024164 has 12 divisors (see below), whose sum is σ = 11976163649100. Its totient is φ = 3416455981568.

The previous prime is 6838217024159. The next prime is 6838217024167. The reversal of 6838217024164 is 4614207128386.

It can be written as a sum of positive squares in 2 ways, for example, as 5239484376064 + 1598732648100 = 2288992^2 + 1264410^2 .

It is a super-3 number, since 3×68382170241643 (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (6838217024167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663126829 + ... + 663137140.

It is an arithmetic number, because the mean of its divisors is an integer number (998013637425).

Almost surely, 26838217024164 is an apocalyptic number.

It is an amenable number.

6838217024164 is a deficient number, since it is larger than the sum of its proper divisors (5137946624936).

6838217024164 is a wasteful number, since it uses less digits than its factorization.

6838217024164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326265262 (or 1326265260 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 6838217024164 in words is "six trillion, eight hundred thirty-eight billion, two hundred seventeen million, twenty-four thousand, one hundred sixty-four".

Divisors: 1 2 4 1289 2578 5156 1326263969 2652527938 5305055876 1709554256041 3419108512082 6838217024164