Base | Representation |
---|---|
bin | 10100101011111100… |
… | …111100001101001101 |
3 | 2010100000020022001202 |
4 | 110223330330031031 |
5 | 330442312411023 |
6 | 14112033115245 |
7 | 1414303566626 |
oct | 245374741515 |
9 | 63300208052 |
10 | 22212232013 |
11 | 9469253744 |
12 | 437a9b8b25 |
13 | 212cacca6a |
14 | 110a028a4d |
15 | 8a00a2128 |
hex | 52bf3c34d |
22212232013 has 8 divisors (see below), whose sum is σ = 22385520960. Its totient is φ = 22038999840.
The previous prime is 22212231997. The next prime is 22212232039. The reversal of 22212232013 is 31023221222.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 22212232013 - 24 = 22212231997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22212232813) 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, 1122953 + ... + 1142561.
It is an arithmetic number, because the mean of its divisors is an integer number (2798190120).
Almost surely, 222212232013 is an apocalyptic number.
It is an amenable number.
22212232013 is a deficient number, since it is larger than the sum of its proper divisors (173288947).
22212232013 is a wasteful number, since it uses less digits than its factorization.
22212232013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28387.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 22212232013 its reverse (31023221222), we get a palindrome (53235453235).
The spelling of 22212232013 in words is "twenty-two billion, two hundred twelve million, two hundred thirty-two thousand, thirteen".
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