Base | Representation |
---|---|
bin | 11110001101110100… |
… | …100000100001001101 |
3 | 10002202002100020010002 |
4 | 132031310200201031 |
5 | 1012421143420323 |
6 | 22523222054045 |
7 | 2225665332335 |
oct | 361564404115 |
9 | 102662306102 |
10 | 32444123213 |
11 | 12839952a77 |
12 | 635557a325 |
13 | 30a085c258 |
14 | 17dacb20c5 |
15 | c9d4b8828 |
hex | 78dd2084d |
32444123213 has 2 divisors, whose sum is σ = 32444123214. Its totient is φ = 32444123212.
The previous prime is 32444123197. The next prime is 32444123221. The reversal of 32444123213 is 31232144423.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 26795398249 + 5648724964 = 163693^2 + 75158^2 .
It is an emirp because it is prime and its reverse (31232144423) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 32444123213 - 24 = 32444123197 is a prime.
It is a super-2 number, since 2×324441232132 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (32444143213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16222061606 + 16222061607.
It is an arithmetic number, because the mean of its divisors is an integer number (16222061607).
Almost surely, 232444123213 is an apocalyptic number.
It is an amenable number.
32444123213 is a deficient number, since it is larger than the sum of its proper divisors (1).
32444123213 is an equidigital number, since it uses as much as digits as its factorization.
32444123213 is an evil number, because the sum of its binary digits is even.
The product of its digits is 13824, while the sum is 29.
Adding to 32444123213 its reverse (31232144423), we get a palindrome (63676267636).
The spelling of 32444123213 in words is "thirty-two billion, four hundred forty-four million, one hundred twenty-three thousand, two hundred thirteen".
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