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431382989472 = 2535531381239
BaseRepresentation
bin1100100011100000110…
…11100000101010100000
31112020110211012102021020
412101300123200222200
524031433021130342
6530101414325440
743111033624101
oct6216033405240
91466424172236
10431382989472
11156a484a6936
126b731359880
13318aa3a73b6
1416c441723a8
15b34bb570ec
hex64706e0aa0

431382989472 has 48 divisors (see below), whose sum is σ = 1132414758720. Its totient is φ = 143789960192.

The previous prime is 431382989467. The next prime is 431382989483. The reversal of 431382989472 is 274989283134.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5269429 + ... + 5350667.

It is an arithmetic number, because the mean of its divisors is an integer number (23591974140).

Almost surely, 2431382989472 is an apocalyptic number.

It is an amenable number.

431382989472 is an abundant number, since it is smaller than the sum of its proper divisors (701031769248).

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

431382989472 is a wasteful number, since it uses less digits than its factorization.

431382989472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136565 (or 136557 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 60.

The spelling of 431382989472 in words is "four hundred thirty-one billion, three hundred eighty-two million, nine hundred eighty-nine thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 55313 81239 110626 162478 165939 221252 243717 324956 331878 442504 487434 649912 663756 885008 974868 1299824 1327512 1770016 1949736 2599648 2655024 3899472 5310048 7798944 4493572807 8987145614 13480718421 17974291228 26961436842 35948582456 53922873684 71897164912 107845747368 143794329824 215691494736 431382989472