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6766852082381 = 171941510975767
BaseRepresentation
bin110001001111000011111…
…0100001000101011001101
3212221220102120000121100022
41202132013310020223031
51341332003113114011
622220352100311525
71265613621444026
oct142360764105315
925856376017308
106766852082381
112179895653006
129135650a25a5
133a115aa0ca21
141957359dbc4d
15bb04c0de8db
hex62787d08acd

6766852082381 has 16 divisors (see below), whose sum is σ = 7725953612160. Its totient is φ = 5886440824320.

The previous prime is 6766852082357. The next prime is 6766852082407. The reversal of 6766852082381 is 1832802586676.

It is a happy number.

It is not a de Polignac number, because 6766852082381 - 242 = 2368805571277 is a prime.

It is a super-2 number, since 2×67668520823812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6766852082321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255474641 + ... + 255501126.

It is an arithmetic number, because the mean of its divisors is an integer number (482872100760).

Almost surely, 26766852082381 is an apocalyptic number.

It is an amenable number.

6766852082381 is a deficient number, since it is larger than the sum of its proper divisors (959101529779).

6766852082381 is a wasteful number, since it uses less digits than its factorization.

6766852082381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510975844.

The product of its (nonzero) digits is 46448640, while the sum is 62.

The spelling of 6766852082381 in words is "six trillion, seven hundred sixty-six billion, eight hundred fifty-two million, eighty-two thousand, three hundred eighty-one".

Divisors: 1 17 19 41 323 697 779 13243 510975767 8686588039 9708539573 20950006447 165045172741 356150109599 398050122493 6766852082381