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331440002012 = 22711837142929
BaseRepresentation
bin1001101001010110101…
…11010001001111011100
31011200111121211121112002
410310223113101033130
520412242120031022
6412132245301432
732642251350650
oct4645327211734
91150447747462
10331440002012
11118621271139
125429a704878
1325340639bb2
1412082912a60
15894c930092
hex4d2b5d13dc

331440002012 has 12 divisors (see below), whose sum is σ = 662880004080. Its totient is φ = 142045715136.

The previous prime is 331440002009. The next prime is 331440002099. The reversal of 331440002012 is 210200044133.

331440002012 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5918571437 + ... + 5918571492.

It is an arithmetic number, because the mean of its divisors is an integer number (55240000340).

Almost surely, 2331440002012 is an apocalyptic number.

It is an amenable number.

331440002012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

331440002012 is a wasteful number, since it uses less digits than its factorization.

331440002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11837142940 (or 11837142938 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 331440002012 its reverse (210200044133), we get a palindrome (541640046145).

The spelling of 331440002012 in words is "three hundred thirty-one billion, four hundred forty million, two thousand, twelve".

Divisors: 1 2 4 7 14 28 11837142929 23674285858 47348571716 82860000503 165720001006 331440002012