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680870013886133 = 83197269159796931
BaseRepresentation
bin1001101011001111110110011…
…1010100001101111010110101
310022021202112111221100212101122
42122303331213110031322311
51203220333242023324013
610412031211042033325
7263262143444405531
oct23263754724157265
93267675457325348
10680870013886133
11187a45395659795
1264445206048845
13232bb9c78b54a6
14c01c3da976bc1
1553aaed184da08
hex26b3f6750deb5

680870013886133 has 32 divisors (see below), whose sum is σ = 695588172935040. Its totient is φ = 666339897242880.

The previous prime is 680870013886103. The next prime is 680870013886159. The reversal of 680870013886133 is 331688310078086.

It is a cyclic number.

It is not a de Polignac number, because 680870013886133 - 210 = 680870013885109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680870013886103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7024226678 + ... + 7024323608.

It is an arithmetic number, because the mean of its divisors is an integer number (21737130404220).

Almost surely, 2680870013886133 is an apocalyptic number.

It is an amenable number.

680870013886133 is a deficient number, since it is larger than the sum of its proper divisors (14718159048907).

680870013886133 is a wasteful number, since it uses less digits than its factorization.

680870013886133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99077.

The product of its (nonzero) digits is 27869184, while the sum is 62.

The spelling of 680870013886133 in words is "six hundred eighty trillion, eight hundred seventy billion, thirteen million, eight hundred eighty-six thousand, one hundred thirty-three".

Divisors: 1 83 197 269 1597 16351 22327 52993 96931 132551 314609 429593 4398419 8045273 19095407 26074439 26112547 35656219 84629821 154798807 1584918781 2164178437 5136664483 7024275143 12848300981 30495364979 41640879083 426343152089 2531115293257 3456192963889 8203253179351 680870013886133