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1068808104489 = 319283472914011
BaseRepresentation
bin11111000110110011110…
…11010110101000101001
310210011210002000022002110
433203121323112220221
5120002404333320424
62135000442552533
7140135026663446
oct17433173265051
93704702008073
101068808104489
11382308347254
12153185808749
1379a327c8878
1439a32a3c9cd
151cc073dcc29
hexf8d9ed6a29

1068808104489 has 32 divisors (see below), whose sum is σ = 1505807987200. Its totient is φ = 672461170560.

The previous prime is 1068808104487. The next prime is 1068808104493. The reversal of 1068808104489 is 9844018088601.

It is not a de Polignac number, because 1068808104489 - 21 = 1068808104487 is a prime.

It is a super-2 number, since 2×10688081044892 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1068808104487) 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 31 ways as a sum of consecutive naturals, for example, 76276494 + ... + 76290504.

It is an arithmetic number, because the mean of its divisors is an integer number (47056499600).

Almost surely, 21068808104489 is an apocalyptic number.

1068808104489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1068808104489 is a deficient number, since it is larger than the sum of its proper divisors (436999882711).

1068808104489 is a wasteful number, since it uses less digits than its factorization.

1068808104489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19045.

The product of its (nonzero) digits is 3538944, while the sum is 57.

The spelling of 1068808104489 in words is "one trillion, sixty-eight billion, eight hundred eight million, one hundred four thousand, four hundred eighty-nine".

Divisors: 1 3 19 57 283 849 4729 5377 14011 14187 16131 42033 89851 266209 269553 798627 1338307 3965113 4014921 11895339 25427833 66258019 75337147 76283499 198774057 226011441 1258902361 3776707083 18751019377 56253058131 356269368163 1068808104489