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6942209808 = 2431311104041
BaseRepresentation
bin1100111011100100…
…11011011100010000
3122220210222210112210
412131302123130100
5103204201203213
63104511352120
7334014544512
oct63562333420
918823883483
106942209808
112a42772a86
121418b22640
13868350a71
1449bdd5bb2
152a97010c3
hex19dc9b710

6942209808 has 40 divisors (see below), whose sum is σ = 18070959456. Its totient is φ = 2296403200.

The previous prime is 6942209783. The next prime is 6942209809. The reversal of 6942209808 is 8089022496.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (6942209809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545733 + ... + 558308.

Almost surely, 26942209808 is an apocalyptic number.

It is an amenable number.

6942209808 is an abundant number, since it is smaller than the sum of its proper divisors (11128749648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6942209808 is a wasteful number, since it uses less digits than its factorization.

6942209808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104183 (or 1104177 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 6942209808 is about 83319.9244358755. The cubic root of 6942209808 is about 1907.6524073547.

The spelling of 6942209808 in words is "six billion, nine hundred forty-two million, two hundred nine thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 131 262 393 524 786 1048 1572 2096 3144 6288 1104041 2208082 3312123 4416164 6624246 8832328 13248492 17664656 26496984 52993968 144629371 289258742 433888113 578517484 867776226 1157034968 1735552452 2314069936 3471104904 6942209808