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12454021544404 = 221117101164849123
BaseRepresentation
bin1011010100111010110110…
…0001111011100111010100
31122002121000011201021020011
42311032231201323213110
53113021314003410104
642253144251250004
72423526156323356
oct265165541734724
948077004637204
1012454021544404
113a717a2539070
12149180a749904
136c4541cc36cb
14310ac66330d6
15168e5728c904
hexb53ad87b9d4

12454021544404 has 48 divisors (see below), whose sum is σ = 25423691299776. Its totient is φ = 5275171904000.

The previous prime is 12454021544357. The next prime is 12454021544423. The reversal of 12454021544404 is 40444512045421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82349014 + ... + 82500109.

It is an arithmetic number, because the mean of its divisors is an integer number (529660235412).

Almost surely, 212454021544404 is an apocalyptic number.

It is an amenable number.

12454021544404 is an abundant number, since it is smaller than the sum of its proper divisors (12969669755372).

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

12454021544404 is a wasteful number, since it uses less digits than its factorization.

12454021544404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164849256 (or 164849254 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 40.

Adding to 12454021544404 its reverse (40444512045421), we get a palindrome (52898533589825).

The spelling of 12454021544404 in words is "twelve trillion, four hundred fifty-four billion, twenty-one million, five hundred forty-four thousand, four hundred four".

Divisors: 1 2 4 11 17 22 34 44 68 101 187 202 374 404 748 1111 1717 2222 3434 4444 6868 18887 37774 75548 164849123 329698246 659396492 1813340353 2802435091 3626680706 5604870182 7253361412 11209740364 16649761423 30826786001 33299522846 61653572002 66599045692 123307144004 183147375653 283045944191 366294751306 566091888382 732589502612 1132183776764 3113505386101 6227010772202 12454021544404