Base | Representation |
---|---|
bin | 10100110001111010… |
… | …011001110101010111 |
3 | 2010120222101201211110 |
4 | 110301322121311113 |
5 | 331143412331411 |
6 | 14130004310103 |
7 | 1416626553624 |
oct | 246172316527 |
9 | 63528351743 |
10 | 22312230231 |
11 | 950a7438a5 |
12 | 43a83a2333 |
13 | 21477427c5 |
14 | 111941934b |
15 | 8a8c562a6 |
hex | 531e99d57 |
22312230231 has 8 divisors (see below), whose sum is σ = 29794786560. Its totient is φ = 14852247032.
The previous prime is 22312230229. The next prime is 22312230247. The reversal of 22312230231 is 13203221322.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 22312230231 - 21 = 22312230229 is a prime.
It is a super-3 number, since 3×223122302313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 22312230198 and 22312230207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22312230211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5640975 + ... + 5644928.
It is an arithmetic number, because the mean of its divisors is an integer number (3724348320).
Almost surely, 222312230231 is an apocalyptic number.
22312230231 is a deficient number, since it is larger than the sum of its proper divisors (7482556329).
22312230231 is a wasteful number, since it uses less digits than its factorization.
22312230231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11286565.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 22312230231 its reverse (13203221322), we get a palindrome (35515451553).
The spelling of 22312230231 in words is "twenty-two billion, three hundred twelve million, two hundred thirty thousand, two hundred thirty-one".
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