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12040421431330 = 254725617917939
BaseRepresentation
bin1010111100110110000100…
…0010101101100000100010
31120122001102200010120101201
42233031201002231200202
53034232240341300310
641335143201351414
72351614603345045
oct257154102554042
946561380116351
1012040421431330
1139223500064a6
12142562093856a
13694539b784a6
142d8a8c12cc5c
1515d2eb900e3a
hexaf3610ad822

12040421431330 has 16 divisors (see below), whose sum is σ = 22133881100160. Its totient is φ = 4713696900592.

The previous prime is 12040421431307. The next prime is 12040421431369. The reversal of 12040421431330 is 3313412404021.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12808958500 + ... + 12808959439.

It is an arithmetic number, because the mean of its divisors is an integer number (1383367568760).

Almost surely, 212040421431330 is an apocalyptic number.

12040421431330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12040421431330 is a deficient number, since it is larger than the sum of its proper divisors (10093459668830).

12040421431330 is a wasteful number, since it uses less digits than its factorization.

12040421431330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25617917993.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 12040421431330 its reverse (3313412404021), we get a palindrome (15353833835351).

The spelling of 12040421431330 in words is "twelve trillion, forty billion, four hundred twenty-one million, four hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 47 94 235 470 25617917939 51235835878 128089589695 256179179390 1204042143133 2408084286266 6020210715665 12040421431330