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131201444004044 = 22278231178893757
BaseRepresentation
bin11101110101001110110111…
…011101101100000011001100
3122012112201212012212101220112
4131311032313131230003030
5114144101024131112134
61143013040012335152
736430664043223031
oct3565166735540314
9565481765771815
10131201444004044
11388942467a8997
121286b8761744b8
13582932108784b
1424582803b1388
151027cb5e1c1ce
hex7753b776c0cc

131201444004044 has 12 divisors (see below), whose sum is σ = 229610779458144. Its totient is φ = 65598364158864.

The previous prime is 131201444004013. The next prime is 131201444004049. The reversal of 131201444004044 is 440400444102131.

It is a self number, because there is not a number n which added to its sum of digits gives 131201444004044.

It is not an unprimeable number, because it can be changed into a prime (131201444004049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589335587 + ... + 589558170.

It is an arithmetic number, because the mean of its divisors is an integer number (19134231621512).

Almost surely, 2131201444004044 is an apocalyptic number.

It is an amenable number.

131201444004044 is a deficient number, since it is larger than the sum of its proper divisors (98409335454100).

131201444004044 is a wasteful number, since it uses less digits than its factorization.

131201444004044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178921584 (or 1178921582 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 131201444004044 its reverse (440400444102131), we get a palindrome (571601888106175).

The spelling of 131201444004044 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred forty-four million, four thousand, forty-four".

Divisors: 1 2 4 27823 55646 111292 1178893757 2357787514 4715575028 32800361001011 65600722002022 131201444004044