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12051243312344 = 2317373377106591
BaseRepresentation
bin1010111101011110011000…
…0100111010010011011000
31120200002100212102002022122
42233113212010322103120
53034421421241443334
641344133104040412
72352450020665415
oct257274604722330
946602325362278
1012051243312344
1139269a3746915
121427741003108
13695572c0a192
142d93d74b510c
1515d731a0932e
hexaf5e613a4d8

12051243312344 has 64 divisors (see below), whose sum is σ = 24644808264960. Its totient is φ = 5501524008960.

The previous prime is 12051243312343. The next prime is 12051243312347. The reversal of 12051243312344 is 44321334215021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051243312341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1857512 + ... + 5249079.

It is an arithmetic number, because the mean of its divisors is an integer number (385075129140).

Almost surely, 212051243312344 is an apocalyptic number.

It is an amenable number.

12051243312344 is an abundant number, since it is smaller than the sum of its proper divisors (12593564952616).

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

12051243312344 is a wasteful number, since it uses less digits than its factorization.

12051243312344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106988 (or 7106984 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 12051243312344 its reverse (44321334215021), we get a palindrome (56372577527365).

The spelling of 12051243312344 in words is "twelve trillion, fifty-one billion, two hundred forty-three million, three hundred twelve thousand, three hundred forty-four".

Divisors: 1 2 4 8 17 34 37 68 74 136 148 296 337 629 674 1258 1348 2516 2696 5032 5729 11458 12469 22916 24938 45832 49876 99752 211973 423946 847892 1695784 7106591 14213182 28426364 56852728 120812047 241624094 262943867 483248188 525887734 966496376 1051775468 2103550936 2394921167 4470045739 4789842334 8940091478 9579684668 17880182956 19159369336 35760365912 40713659839 81427319678 88612083179 162854639356 177224166358 325709278712 354448332716 708896665432 1506405414043 3012810828086 6025621656172 12051243312344