Base | Representation |
---|---|
bin | 1100111100001011010… |
… | …1000110000000010111 |
3 | 210020211022022020222110 |
4 | 3033002311012000113 |
5 | 12120243334431411 |
6 | 250043450202103 |
7 | 22030046035554 |
oct | 3170265060027 |
9 | 706738266873 |
10 | 222312030231 |
11 | 86311388805 |
12 | 37103a23333 |
13 | 17c6b9c1925 |
14 | aa8d487a2b |
15 | 5bb218b2a6 |
hex | 33c2d46017 |
222312030231 has 8 divisors (see below), whose sum is σ = 296582293120. Its totient is φ = 148124893752.
The previous prime is 222312030197. The next prime is 222312030257. The reversal of 222312030231 is 132030213222.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-222312030231 is a prime.
It is a super-2 number, since 2×2223120302312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 222312030198 and 222312030207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (222312030271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20775361 + ... + 20786058.
It is an arithmetic number, because the mean of its divisors is an integer number (37072786640).
Almost surely, 2222312030231 is an apocalyptic number.
222312030231 is a deficient number, since it is larger than the sum of its proper divisors (74270262889).
222312030231 is a wasteful number, since it uses less digits than its factorization.
222312030231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41563205.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 222312030231 its reverse (132030213222), we get a palindrome (354342243453).
The spelling of 222312030231 in words is "two hundred twenty-two billion, three hundred twelve million, thirty thousand, two hundred thirty-one".
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