Base | Representation |
---|---|
bin | 10100100111000100… |
… | …100001001001000111 |
3 | 2010010022010100200111 |
4 | 110213010201021013 |
5 | 330310331112411 |
6 | 14055545453451 |
7 | 1412260502020 |
oct | 244704411107 |
9 | 63108110614 |
10 | 22130332231 |
11 | 9426aa5177 |
12 | 43574a1287 |
13 | 2118b55a57 |
14 | 10dd1c9c47 |
15 | 897cc5721 |
hex | 527121247 |
22130332231 has 16 divisors (see below), whose sum is σ = 25345655104. Its totient is φ = 18928525824.
The previous prime is 22130332207. The next prime is 22130332253. The reversal of 22130332231 is 13223303122.
It is a cyclic number.
It is not a de Polignac number, because 22130332231 - 219 = 22129807943 is a prime.
It is a super-2 number, since 2×221303322312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22130332531) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11814511 + ... + 11816383.
It is an arithmetic number, because the mean of its divisors is an integer number (1584103444).
Almost surely, 222130332231 is an apocalyptic number.
22130332231 is a deficient number, since it is larger than the sum of its proper divisors (3215322873).
22130332231 is a wasteful number, since it uses less digits than its factorization.
22130332231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4570.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 22130332231 its reverse (13223303122), we get a palindrome (35353635353).
The spelling of 22130332231 in words is "twenty-two billion, one hundred thirty million, three hundred thirty-two thousand, two hundred thirty-one".
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