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12204140244 = 2231017011687
BaseRepresentation
bin10110101110110110…
…00110011011010100
31011111112020120010020
423113123012123110
5144443224441434
65335001025140
7611300323542
oct132733063324
934445216106
1012204140244
1151a2a1221a
1224471851b0
1311c653b47a
1483ab9ad92
154b6646849
hex2d76c66d4

12204140244 has 12 divisors (see below), whose sum is σ = 28476327264. Its totient is φ = 4068046744.

The previous prime is 12204140231. The next prime is 12204140261. The reversal of 12204140244 is 44204140221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 508505832 + ... + 508505855.

It is an arithmetic number, because the mean of its divisors is an integer number (2373027272).

Almost surely, 212204140244 is an apocalyptic number.

It is an amenable number.

12204140244 is an abundant number, since it is smaller than the sum of its proper divisors (16272187020).

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

12204140244 is a wasteful number, since it uses less digits than its factorization.

12204140244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017011694 (or 1017011692 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12204140244 its reverse (44204140221), we get a palindrome (56408280465).

The spelling of 12204140244 in words is "twelve billion, two hundred four million, one hundred forty thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 1017011687 2034023374 3051035061 4068046748 6102070122 12204140244