Base | Representation |
---|---|
bin | 10100101100100111… |
… | …001101010010011111 |
3 | 2010100210002012222210 |
4 | 110230213031102133 |
5 | 331003131441111 |
6 | 14113110411503 |
7 | 1414500015114 |
oct | 245447152237 |
9 | 63323065883 |
10 | 22223312031 |
11 | 9474531288 |
12 | 4382660b93 |
13 | 21321ac09b |
14 | 110b6b090b |
15 | 8a10400a6 |
hex | 52c9cd49f |
22223312031 has 8 divisors (see below), whose sum is σ = 29761617024. Its totient is φ = 14750274200.
The previous prime is 22223312009. The next prime is 22223312039. The reversal of 22223312031 is 13021332222.
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 22223312031 - 230 = 21149570207 is a prime.
It is a super-2 number, since 2×222233120312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 22223311989 and 22223312007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22223312039) 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 7 ways as a sum of consecutive naturals, for example, 16315995 + ... + 16317356.
It is an arithmetic number, because the mean of its divisors is an integer number (3720202128).
Almost surely, 222223312031 is an apocalyptic number.
22223312031 is a deficient number, since it is larger than the sum of its proper divisors (7538304993).
22223312031 is a wasteful number, since it uses less digits than its factorization.
22223312031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32633581.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 22223312031 its reverse (13021332222), we get a palindrome (35244644253).
The spelling of 22223312031 in words is "twenty-two billion, two hundred twenty-three million, three hundred twelve thousand, thirty-one".
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