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10806027085 = 57261723053
BaseRepresentation
bin10100001000001011…
…01110001101001101
31000220002110001102101
422010011232031031
5134112320331320
64544134355101
7531532500100
oct120405561515
930802401371
1010806027085
1146457a20a7
122116abba91
1310329a0789
1474721a737
15433a25c0a
hex28416e34d

10806027085 has 24 divisors (see below), whose sum is σ = 15331637016. Its totient is φ = 7288364160.

The previous prime is 10806027079. The next prime is 10806027103. The reversal of 10806027085 is 58072060801.

It can be written as a sum of positive squares in 4 ways, for example, as 6245001 + 10799782084 = 2499^2 + 103922^2 .

It is not a de Polignac number, because 10806027085 - 25 = 10806027053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346582 + ... + 376471.

It is an arithmetic number, because the mean of its divisors is an integer number (638818209).

Almost surely, 210806027085 is an apocalyptic number.

It is an amenable number.

10806027085 is a deficient number, since it is larger than the sum of its proper divisors (4525609931).

10806027085 is an equidigital number, since it uses as much as digits as its factorization.

10806027085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723133 (or 723126 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

Adding to 10806027085 its reverse (58072060801), we get a palindrome (68878087886).

The spelling of 10806027085 in words is "ten billion, eight hundred six million, twenty-seven thousand, eighty-five".

Divisors: 1 5 7 35 49 61 245 305 427 2135 2989 14945 723053 3615265 5061371 25306855 35429597 44106233 177147985 220531165 308743631 1543718155 2161205417 10806027085