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12031330312302 = 2371021280568311
BaseRepresentation
bin1010111100010100001100…
…1010110110000001101110
31120121011222002120212120120
42233011003022312001232
53034110131024443202
641331041123225410
72351143403200620
oct257050312660156
946534862525516
1012031330312302
11391950533a194
121423904218266
1369371b573b12
142d8468998c10
1515ce687260bc
hexaf1432b606e

12031330312302 has 32 divisors (see below), whose sum is σ = 27527118226944. Its totient is φ = 3434156114400.

The previous prime is 12031330312297. The next prime is 12031330312303. The reversal of 12031330312302 is 20321303313021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031330312303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140241274 + ... + 140327037.

It is an arithmetic number, because the mean of its divisors is an integer number (860222444592).

Almost surely, 212031330312302 is an apocalyptic number.

12031330312302 is an abundant number, since it is smaller than the sum of its proper divisors (15495787914642).

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

12031330312302 is a wasteful number, since it uses less digits than its factorization.

12031330312302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280569344.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 12031330312302 its reverse (20321303313021), we get a palindrome (32352633625323).

The spelling of 12031330312302 in words is "twelve trillion, thirty-one billion, three hundred thirty million, three hundred twelve thousand, three hundred two".

Divisors: 1 2 3 6 7 14 21 42 1021 2042 3063 6126 7147 14294 21441 42882 280568311 561136622 841704933 1683409866 1963978177 3927956354 5891934531 11783869062 286460245531 572920491062 859380736593 1718761473186 2005221718717 4010443437434 6015665156151 12031330312302