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6838836437942 = 23419418218971
BaseRepresentation
bin110001110000100101001…
…1010101010001110110110
3220012210020021021202022022
41203201022122222032312
51344021414112003232
622313415035033142
71304042512406615
oct143411232521666
926183207252268
106838836437942
1121a7374976853
129254b459b7b2
133a7b902b4962
14199003d9987c
15bcd61a22812
hex6384a6aa3b6

6838836437942 has 4 divisors (see below), whose sum is σ = 10258254656916. Its totient is φ = 3419418218970.

The previous prime is 6838836437869. The next prime is 6838836437959. The reversal of 6838836437942 is 2497346388386.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1709709109484 + ... + 1709709109487.

It is an arithmetic number, because the mean of its divisors is an integer number (2564563664229).

Almost surely, 26838836437942 is an apocalyptic number.

6838836437942 is a deficient number, since it is larger than the sum of its proper divisors (3419418218974).

6838836437942 is a wasteful number, since it uses less digits than its factorization.

6838836437942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419418218973.

The product of its digits is 1003290624, while the sum is 71.

The spelling of 6838836437942 in words is "six trillion, eight hundred thirty-eight billion, eight hundred thirty-six million, four hundred thirty-seven thousand, nine hundred forty-two".

Divisors: 1 2 3419418218971 6838836437942