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442082865831 = 3378431472391
BaseRepresentation
bin1100110111011100011…
…00010011001010100111
31120021002111220110021020
412123232030103022213
524220341203201311
6535031242022223
743640140233645
oct6335614231247
91507074813236
10442082865831
11160539286362
12718187a7973
13328c408c899
141757b23a195
15b7761b0c06
hex66ee3132a7

442082865831 has 16 divisors (see below), whose sum is σ = 605447820288. Its totient is φ = 286721834400.

The previous prime is 442082865793. The next prime is 442082865853. The reversal of 442082865831 is 138568280244.

It is not a de Polignac number, because 442082865831 - 26 = 442082865767 is a prime.

It is a super-2 number, since 2×4420828658312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442082865031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699646 + ... + 1172036.

It is an arithmetic number, because the mean of its divisors is an integer number (37840488768).

Almost surely, 2442082865831 is an apocalyptic number.

442082865831 is a deficient number, since it is larger than the sum of its proper divisors (163364954457).

442082865831 is a wasteful number, since it uses less digits than its factorization.

442082865831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480862.

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 442082865831 in words is "four hundred forty-two billion, eighty-two million, eight hundred sixty-five thousand, eight hundred thirty-one".

Divisors: 1 3 37 111 8431 25293 311947 472391 935841 1417173 17478467 52435401 3982728521 11948185563 147360955277 442082865831