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12068618244865 = 5713531493358799
BaseRepresentation
bin1010111110011111000110…
…1101000001001100000001
31120201202012202102002221221
42233213301231001030001
53040213012232313430
641400125141115041
72353633416325360
oct257476155011401
946652182362857
1012068618244865
1139332aa409886
12142ab8b9b8a81
136970b17a6040
142da1a4cb17d7
1515ddec09257a
hexaf9f1b41301

12068618244865 has 64 divisors (see below), whose sum is σ = 18282620160000. Its totient is φ = 7444601109504.

The previous prime is 12068618244757. The next prime is 12068618244869. The reversal of 12068618244865 is 56844281686021.

It is a happy number.

It is not a de Polignac number, because 12068618244865 - 211 = 12068618242817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12068618244869) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1913736 + ... + 5272534.

It is an arithmetic number, because the mean of its divisors is an integer number (285665940000).

Almost surely, 212068618244865 is an apocalyptic number.

It is an amenable number.

12068618244865 is a deficient number, since it is larger than the sum of its proper divisors (6214001915135).

12068618244865 is a wasteful number, since it uses less digits than its factorization.

12068618244865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359026.

The product of its (nonzero) digits is 35389440, while the sum is 61.

The spelling of 12068618244865 in words is "twelve trillion, sixty-eight billion, six hundred eighteen million, two hundred forty-four thousand, eight hundred sixty-five".

Divisors: 1 5 7 13 35 53 65 91 149 265 371 455 689 745 1043 1855 1937 3445 4823 5215 7897 9685 13559 24115 39485 55279 67795 102661 276395 513305 718627 3358799 3593135 16793995 23511593 43664387 117557965 178016347 218321935 305650709 500461051 890081735 1246114429 1528253545 2314212511 2502305255 3503227357 6230572145 6505993663 11571062555 16199487577 17516136785 26524435703 32529968315 45541955641 80997437885 132622178515 185671049921 227709778205 344817664139 928355249605 1724088320695 2413723648973 12068618244865