Base | Representation |
---|---|
bin | 110010101011111101… |
… | …0001111100111011001 |
3 | 101101221212201121011200 |
4 | 1211113322033213121 |
5 | 3240410330143010 |
6 | 122000553144413 |
7 | 10602244550022 |
oct | 1452772174731 |
9 | 341855647150 |
10 | 108849068505 |
11 | 42187509261 |
12 | 191193bb109 |
13 | a358c25b58 |
14 | 53a83c7c49 |
15 | 2c71050cc0 |
hex | 1957e8f9d9 |
108849068505 has 24 divisors (see below), whose sum is σ = 189502889472. Its totient is φ = 57797091744.
The previous prime is 108849068483. The next prime is 108849068527. The reversal of 108849068505 is 505860948801.
It is a happy number.
108849068505 is a `hidden beast` number, since 10 + 88 + 49 + 0 + 6 + 8 + 505 = 666.
It is an interprime number because it is at equal distance from previous prime (108849068483) and next prime (108849068527).
It is not a de Polignac number, because 108849068505 - 214 = 108849052121 is a prime.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 5317689 + ... + 5338118.
It is an arithmetic number, because the mean of its divisors is an integer number (7895953728).
Almost surely, 2108849068505 is an apocalyptic number.
108849068505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
108849068505 is a deficient number, since it is larger than the sum of its proper divisors (80653820967).
108849068505 is a wasteful number, since it uses less digits than its factorization.
108849068505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10656045 (or 10656042 counting only the distinct ones).
The product of its (nonzero) digits is 2764800, while the sum is 54.
The spelling of 108849068505 in words is "one hundred eight billion, eight hundred forty-nine million, sixty-eight thousand, five hundred five".
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