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67860012144808 = 231317471783209477
BaseRepresentation
bin11110110110111111000111…
…11010110001100010101000
322220021100112220221001122001
433123133203322301202220
532343304301102113213
6400154243104540344
720202503235010162
oct1733374372614250
9286240486831561
1067860012144808
111a6932a6826834
12773b8849216b4
132bb3230273530
1412a8629229932
157ca2dbde51dd
hex3db7e3eb18a8

67860012144808 has 64 divisors (see below), whose sum is σ = 137181008684160. Its totient is φ = 31284372531456.

The previous prime is 67860012144797. The next prime is 67860012144817. The reversal of 67860012144808 is 80844121006876.

It is a super-2 number, since 2×678600121448082 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323844966 + ... + 324054442.

It is an arithmetic number, because the mean of its divisors is an integer number (2143453260690).

Almost surely, 267860012144808 is an apocalyptic number.

It is an amenable number.

67860012144808 is an abundant number, since it is smaller than the sum of its proper divisors (69320996539352).

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

67860012144808 is a wasteful number, since it uses less digits than its factorization.

67860012144808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213026 (or 213022 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 67860012144808 in words is "sixty-seven trillion, eight hundred sixty billion, twelve million, one hundred forty-four thousand, eight hundred eight".

Divisors: 1 2 4 8 13 26 52 104 1747 1783 3494 3566 6988 7132 13976 14264 22711 23179 45422 46358 90844 92716 181688 185432 209477 418954 837908 1675816 2723201 3114901 5446402 6229802 10892804 12459604 21785608 24919208 40493713 80987426 161974852 323949704 365956319 373497491 731912638 746994982 1463825276 1493989964 2927650552 2987979928 4757432147 4855467383 9514864294 9710934766 19029728588 19421869532 38059457176 38843739064 652500116777 1305000233554 2610000467108 5220000934216 8482501518101 16965003036202 33930006072404 67860012144808