Base | Representation |
---|---|
bin | 101111111110100110… |
… | …0011100100100101101 |
3 | 100211221111011022220121 |
4 | 1133331030130210231 |
5 | 3142002212134341 |
6 | 115155440244541 |
7 | 10305142535644 |
oct | 1377514344455 |
9 | 324844138817 |
10 | 103032146221 |
11 | 3a771a62474 |
12 | 17b75310751 |
13 | 993ca6aac4 |
14 | 4db5a3435b |
15 | 2a3052d4d1 |
hex | 17fd31c92d |
103032146221 has 2 divisors, whose sum is σ = 103032146222. Its totient is φ = 103032146220.
The previous prime is 103032146059. The next prime is 103032146249. The reversal of 103032146221 is 122641230301.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 67631723721 + 35400422500 = 260061^2 + 188150^2 .
It is an emirp because it is prime and its reverse (122641230301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 103032146221 - 221 = 103030049069 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103032156221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51516073110 + 51516073111.
It is an arithmetic number, because the mean of its divisors is an integer number (51516073111).
Almost surely, 2103032146221 is an apocalyptic number.
It is an amenable number.
103032146221 is a deficient number, since it is larger than the sum of its proper divisors (1).
103032146221 is an equidigital number, since it uses as much as digits as its factorization.
103032146221 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 103032146221 its reverse (122641230301), we get a palindrome (225673376522).
The spelling of 103032146221 in words is "one hundred three billion, thirty-two million, one hundred forty-six thousand, two hundred twenty-one".
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