Base | Representation |
---|---|
bin | 1000001111011101… |
… | …0011000110000111 |
3 | 12201011212001202102 |
4 | 2003313103012013 |
5 | 14012322431211 |
6 | 1003305302315 |
7 | 105552223361 |
oct | 20367230607 |
9 | 5634761672 |
10 | 2212311431 |
11 | a35879360 |
12 | 518a9499b |
13 | 293452325 |
14 | 16db63d31 |
15 | ce34ea3b |
hex | 83dd3187 |
2212311431 has 8 divisors (see below), whose sum is σ = 2414957328. Its totient is φ = 2009920000.
The previous prime is 2212311427. The next prime is 2212311449. The reversal of 2212311431 is 1341132122.
2212311431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2212311431 - 22 = 2212311427 is a prime.
It is a super-2 number, since 2×22123114312 = 9788643735466535522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2212301431) 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, 45200 + ... + 80421.
It is an arithmetic number, because the mean of its divisors is an integer number (301869666).
Almost surely, 22212311431 is an apocalyptic number.
2212311431 is a deficient number, since it is larger than the sum of its proper divisors (202645897).
2212311431 is a wasteful number, since it uses less digits than its factorization.
2212311431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127233.
The product of its digits is 288, while the sum is 20.
The square root of 2212311431 is about 47035.2147970008. The cubic root of 2212311431 is about 1303.0130174316.
Adding to 2212311431 its reverse (1341132122), we get a palindrome (3553443553).
The spelling of 2212311431 in words is "two billion, two hundred twelve million, three hundred eleven thousand, four hundred thirty-one".
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