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12444002434420 = 225672167925663
BaseRepresentation
bin1011010100010101100001…
…0110000011110101110100
31122001122010220222202010121
42311011120112003311310
53112340304110400140
642244410143101324
72423022660310234
oct265053026036564
948048126882117
1012444002434420
113a68520a61487
12148b8932a1844
136c3606374c6b
14310415b37cc4
15168a6c8a764a
hexb5158583d74

12444002434420 has 24 divisors (see below), whose sum is σ = 26132472221184. Its totient is φ = 4977588191136.

The previous prime is 12444002434411. The next prime is 12444002434453. The reversal of 12444002434420 is 2443420044421.

It is a congruent number.

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, 12980509 + ... + 13906171.

It is an arithmetic number, because the mean of its divisors is an integer number (1088853009216).

Almost surely, 212444002434420 is an apocalyptic number.

12444002434420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12444002434420 is an abundant number, since it is smaller than the sum of its proper divisors (13688469786764).

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

12444002434420 is a wasteful number, since it uses less digits than its factorization.

12444002434420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597839 (or 1597837 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 12444002434420 its reverse (2443420044421), we get a palindrome (14887422478841).

The spelling of 12444002434420 in words is "twelve trillion, four hundred forty-four billion, two million, four hundred thirty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 672167 925663 1344334 1851326 2688668 3360835 3702652 4628315 6721670 9256630 13443340 18513260 622200121721 1244400243442 2488800486884 3111000608605 6222001217210 12444002434420