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444403440012 = 22375290517143
BaseRepresentation
bin1100111011110001000…
…00100101100110001100
31120111002020110211121010
412131320200211212030
524240114240040022
6540053420005220
744051505625230
oct6357040454614
91514066424533
10444403440012
1116151a17a064
1272165990810
1332ba3a895bc
141771b5025c0
15b85ec9850c
hex677882598c

444403440012 has 24 divisors (see below), whose sum is σ = 1185075840256. Its totient is φ = 126972411408.

The previous prime is 444403439999. The next prime is 444403440043. The reversal of 444403440012 is 210044304444.

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, 2645258488 + ... + 2645258655.

Almost surely, 2444403440012 is an apocalyptic number.

444403440012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

444403440012 is an abundant number, since it is smaller than the sum of its proper divisors (740672400244).

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

444403440012 is a wasteful number, since it uses less digits than its factorization.

444403440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290517157 (or 5290517155 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 444403440012 its reverse (210044304444), we get a palindrome (654447744456).

The spelling of 444403440012 in words is "four hundred forty-four billion, four hundred three million, four hundred forty thousand, twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 5290517143 10581034286 15871551429 21162068572 31743102858 37033620001 63486205716 74067240002 111100860003 148134480004 222201720006 444403440012