Base | Representation |
---|---|
bin | 10100110110010111… |
… | …000111111111000001 |
3 | 2010210011211201211020 |
4 | 110312113013333001 |
5 | 331322014240121 |
6 | 14141232140053 |
7 | 1421524145130 |
oct | 246627077701 |
9 | 63704751736 |
10 | 22386868161 |
11 | 9548892439 |
12 | 4409397629 |
13 | 215a046368 |
14 | 11252c7917 |
15 | 8b059b1c6 |
hex | 5365c7fc1 |
22386868161 has 32 divisors (see below), whose sum is σ = 35932108800. Its totient is φ = 12111327360.
The previous prime is 22386868117. The next prime is 22386868181. The reversal of 22386868161 is 16186868322.
It is a happy number.
It is not a de Polignac number, because 22386868161 - 27 = 22386868033 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (22386868181) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624556 + ... + 659426.
It is an arithmetic number, because the mean of its divisors is an integer number (1122878400).
Almost surely, 222386868161 is an apocalyptic number.
22386868161 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
22386868161 is a deficient number, since it is larger than the sum of its proper divisors (13545240639).
22386868161 is a wasteful number, since it uses less digits than its factorization.
22386868161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36509.
The product of its digits is 1327104, while the sum is 51.
The spelling of 22386868161 in words is "twenty-two billion, three hundred eighty-six million, eight hundred sixty-eight thousand, one hundred sixty-one".
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