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220984838432 = 25831012
BaseRepresentation
bin1100110111001110111…
…0010000100100100000
3210010101210221221002122
43031303232100210200
512110034104312212
6245304040003412
721652132063661
oct3156356204440
9703353857078
10220984838432
11857a01a8986
12369b3460568
1317ab9a55c37
14a9a50c9368
155b358c9272
hex3373b90920

220984838432 has 18 divisors (see below), whose sum is σ = 435069136089. Its totient is φ = 110491089600.

The previous prime is 220984838383. The next prime is 220984838441. The reversal of 220984838432 is 234838489022.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 219919729936 + 1065108496 = 468956^2 + 32636^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=332404.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 2617682 + ... + 2700782.

Almost surely, 2220984838432 is an apocalyptic number.

It is an amenable number.

220984838432 is a deficient number, since it is larger than the sum of its proper divisors (214084297657).

220984838432 is an frugal number, since it uses more digits than its factorization.

220984838432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166212 (or 83103 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 53.

The spelling of 220984838432 in words is "two hundred twenty billion, nine hundred eighty-four million, eight hundred thirty-eight thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 83101 166202 332404 664808 1329616 2659232 6905776201 13811552402 27623104804 55246209608 110492419216 220984838432