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10185010085 = 54019506843
BaseRepresentation
bin10010111110001001…
…01110101110100101
3222021210220010020202
421133010232232211
5131324330310320
64402352040245
7510252104645
oct113704565645
928253803222
1010185010085
114357199908
121b82b33085
13c641268b3
146c8962525
153e9255b75
hex25f12eba5

10185010085 has 8 divisors (see below), whose sum is σ = 12225077280. Its totient is φ = 8145964624.

The previous prime is 10185010067. The next prime is 10185010201. The reversal of 10185010085 is 58001058101.

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 10185010085 - 28 = 10185009829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233327 + ... + 273516.

It is an arithmetic number, because the mean of its divisors is an integer number (1528134660).

Almost surely, 210185010085 is an apocalyptic number.

It is an amenable number.

10185010085 is a deficient number, since it is larger than the sum of its proper divisors (2040067195).

10185010085 is an equidigital number, since it uses as much as digits as its factorization.

10185010085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510867.

The product of its (nonzero) digits is 1600, while the sum is 29.

Adding to 10185010085 its reverse (58001058101), we get a palindrome (68186068186).

The spelling of 10185010085 in words is "ten billion, one hundred eighty-five million, ten thousand, eighty-five".

Divisors: 1 5 4019 20095 506843 2534215 2037002017 10185010085