Base | Representation |
---|---|
bin | 10100100111000100… |
… | …100000100110101111 |
3 | 2010010022010020200000 |
4 | 110213010200212233 |
5 | 330310331030111 |
6 | 14055545435343 |
7 | 1412260462425 |
oct | 244704404657 |
9 | 63108106600 |
10 | 22130330031 |
11 | 9426aa3557 |
12 | 435749bb53 |
13 | 2118b54a54 |
14 | 10dd1c9115 |
15 | 897cc4c56 |
hex | 5271209af |
22130330031 has 24 divisors (see below), whose sum is σ = 33181359120. Its totient is φ = 14739579072.
The previous prime is 22130330021. The next prime is 22130330039. The reversal of 22130330031 is 13003303122.
It is not a de Polignac number, because 22130330031 - 210 = 22130329007 is a prime.
It is a super-2 number, since 2×221303300312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22130329986 and 22130330013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22130330039) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217171 + ... + 302363.
It is an arithmetic number, because the mean of its divisors is an integer number (1382556630).
Almost surely, 222130330031 is an apocalyptic number.
22130330031 is a deficient number, since it is larger than the sum of its proper divisors (11051029089).
22130330031 is an equidigital number, since it uses as much as digits as its factorization.
22130330031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86277 (or 86265 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 22130330031 its reverse (13003303122), we get a palindrome (35133633153).
The spelling of 22130330031 in words is "twenty-two billion, one hundred thirty million, three hundred thirty thousand, thirty-one".
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