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6868473005511 = 341310363327829
BaseRepresentation
bin110001111110011000011…
…1001001100010111000111
3220022121201200201101010000
41203330300321030113013
51400013113042134021
622335155525332343
71306142110154655
oct143746071142707
926277650641100
106868473005511
1122089a2a506a7
1292b1a58670b3
133aa90429c880
1419a61603bdd5
15bd9e87acb26
hex63f30e4c5c7

6868473005511 has 40 divisors (see below), whose sum is σ = 11156843778080. Its totient is φ = 4185716119488.

The previous prime is 6868473005497. The next prime is 6868473005519. The reversal of 6868473005511 is 1155003748686.

It is a happy number.

6868473005511 is a `hidden beast` number, since 6 + 8 + 6 + 84 + 7 + 3 + 0 + 0 + 551 + 1 = 666.

It is not a de Polignac number, because 6868473005511 - 223 = 6868464616903 is a prime.

It is a super-2 number, since 2×68684730055112 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868473005519) 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 39 ways as a sum of consecutive naturals, for example, 31555456 + ... + 31772373.

It is an arithmetic number, because the mean of its divisors is an integer number (278921094452).

Almost surely, 26868473005511 is an apocalyptic number.

6868473005511 is a deficient number, since it is larger than the sum of its proper divisors (4288370772569).

6868473005511 is a wasteful number, since it uses less digits than its factorization.

6868473005511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63327957 (or 63327948 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 6868473005511 in words is "six trillion, eight hundred sixty-eight billion, four hundred seventy-three million, five thousand, five hundred eleven".

Divisors: 1 3 9 13 27 39 81 103 117 309 351 927 1053 1339 2781 4017 8343 12051 36153 108459 63327829 189983487 569950461 823261777 1709851383 2469785331 5129554149 6522766387 7409355993 19568299161 22228067979 58704897483 66684203937 84795963031 176114692449 254387889093 528344077347 763163667279 2289491001837 6868473005511