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6942216080 = 24586777701
BaseRepresentation
bin1100111011100100…
…11100111110010000
3122220211000010011002
412131302130332100
5103204201403310
63104511441132
7334014602012
oct63562347620
918824003132
106942216080
112a42777768
121418b261a8
13868353887
1449bdd81b2
152a9702da5
hex19dc9cf90

6942216080 has 20 divisors (see below), whose sum is σ = 16140652572. Its totient is φ = 2776886400.

The previous prime is 6942216049. The next prime is 6942216089. The reversal of 6942216080 is 806122496.

It can be written as a sum of positive squares in 2 ways, for example, as 1110755584 + 5831460496 = 33328^2 + 76364^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (6942216089) 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, 43388771 + ... + 43388930.

Almost surely, 26942216080 is an apocalyptic number.

It is an amenable number.

6942216080 is an abundant number, since it is smaller than the sum of its proper divisors (9198436492).

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

6942216080 is a wasteful number, since it uses less digits than its factorization.

6942216080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86777714 (or 86777708 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 6942216080 is about 83319.9620739232. The cubic root of 6942216080 is about 1907.6529818496.

The spelling of 6942216080 in words is "six billion, nine hundred forty-two million, two hundred sixteen thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 86777701 173555402 347110804 433888505 694221608 867777010 1388443216 1735554020 3471108040 6942216080