Base | Representation |
---|---|
bin | 10100100111000011… |
… | …101010111100010111 |
3 | 2010010021201002011021 |
4 | 110213003222330113 |
5 | 330310302011411 |
6 | 14055541022011 |
7 | 1412255555545 |
oct | 244703527427 |
9 | 63107632137 |
10 | 22130110231 |
11 | 94269633a9 |
12 | 43573b4907 |
13 | 2118aa89a8 |
14 | 10dd16cd95 |
15 | 897c7ea71 |
hex | 5270eaf17 |
22130110231 has 4 divisors (see below), whose sum is σ = 22139446264. Its totient is φ = 22120774200.
The previous prime is 22130110207. The next prime is 22130110243. The reversal of 22130110231 is 13201103122.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 22130110231 - 29 = 22130109719 is a prime.
It is a super-2 number, since 2×221301102312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22130111231) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 4664460 + ... + 4669201.
It is an arithmetic number, because the mean of its divisors is an integer number (5534861566).
Almost surely, 222130110231 is an apocalyptic number.
22130110231 is a deficient number, since it is larger than the sum of its proper divisors (9336033).
22130110231 is an equidigital number, since it uses as much as digits as its factorization.
22130110231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9336032.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 22130110231 its reverse (13201103122), we get a palindrome (35331213353).
The spelling of 22130110231 in words is "twenty-two billion, one hundred thirty million, one hundred ten thousand, two hundred thirty-one".
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