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1068686661011 = 1988259637291
BaseRepresentation
bin11111000110100101011…
…00000101010110010011
310210011110121111022221212
433203102230011112103
5120002132241123021
62134540424010335
7140132023511024
oct17432254052623
93704417438855
101068686661011
11382255839a42
121531510009ab
1379a135b7918
1439a20868c4b
151cbeb8ee85b
hexf8d2b05593

1068686661011 has 8 divisors (see below), whose sum is σ = 1124947838400. Its totient is φ = 1012426934760.

The previous prime is 1068686660989. The next prime is 1068686661019. The reversal of 1068686661011 is 1101666868601.

1068686661011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1068686661011 - 218 = 1068686398867 is a prime.

It is a super-2 number, since 2×10686866610112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068686661019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358276 + ... + 1995566.

It is an arithmetic number, because the mean of its divisors is an integer number (140618479800).

Almost surely, 21068686661011 is an apocalyptic number.

1068686661011 is a deficient number, since it is larger than the sum of its proper divisors (56261177389).

1068686661011 is an equidigital number, since it uses as much as digits as its factorization.

1068686661011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725569.

The product of its (nonzero) digits is 497664, while the sum is 50.

The spelling of 1068686661011 in words is "one trillion, sixty-eight billion, six hundred eighty-six million, six hundred sixty-one thousand, eleven".

Divisors: 1 19 88259 637291 1676921 12108529 56246666369 1068686661011