Base | Representation |
---|---|
bin | 110000000001100001… |
… | …0001110101011111001 |
3 | 100212012022112111000122 |
4 | 1200003002032223321 |
5 | 3142202303144233 |
6 | 115213300343025 |
7 | 10310442436265 |
oct | 1400302165371 |
9 | 325168474018 |
10 | 103130131193 |
11 | 3a8122a7a91 |
12 | 17ba20a4a75 |
13 | 995715738b |
14 | 4dc4a5d0a5 |
15 | 2a38e35d98 |
hex | 180308eaf9 |
103130131193 has 2 divisors, whose sum is σ = 103130131194. Its totient is φ = 103130131192.
The previous prime is 103130131177. The next prime is 103130131201. The reversal of 103130131193 is 391131031301.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 67076856064 + 36053275129 = 258992^2 + 189877^2 .
It is an emirp because it is prime and its reverse (391131031301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 103130131193 - 24 = 103130131177 is a prime.
It is not a weakly prime, because it can be changed into another prime (103130131393) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51565065596 + 51565065597.
It is an arithmetic number, because the mean of its divisors is an integer number (51565065597).
Almost surely, 2103130131193 is an apocalyptic number.
It is an amenable number.
103130131193 is a deficient number, since it is larger than the sum of its proper divisors (1).
103130131193 is an equidigital number, since it uses as much as digits as its factorization.
103130131193 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 729, while the sum is 26.
Adding to 103130131193 its reverse (391131031301), we get a palindrome (494261162494).
The spelling of 103130131193 in words is "one hundred three billion, one hundred thirty million, one hundred thirty-one thousand, one hundred ninety-three".
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