Base | Representation |
---|---|
bin | 110000001001101110… |
… | …0101110011001100101 |
3 | 100212220111201021212122 |
4 | 1200103130232121211 |
5 | 3143233302343133 |
6 | 115300454555325 |
7 | 10320325231526 |
oct | 1402334563145 |
9 | 325814637778 |
10 | 103405512293 |
11 | 3a943796976 |
12 | 1805a368b45 |
13 | 999c215585 |
14 | 500d46484d |
15 | 2a531d0498 |
hex | 181372e665 |
103405512293 has 2 divisors, whose sum is σ = 103405512294. Its totient is φ = 103405512292.
The previous prime is 103405512269. The next prime is 103405512319. The reversal of 103405512293 is 392215504301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 65568259969 + 37837252324 = 256063^2 + 194518^2 .
It is a cyclic number.
It is not a de Polignac number, because 103405512293 - 26 = 103405512229 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (103405512493) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51702756146 + 51702756147.
It is an arithmetic number, because the mean of its divisors is an integer number (51702756147).
Almost surely, 2103405512293 is an apocalyptic number.
It is an amenable number.
103405512293 is a deficient number, since it is larger than the sum of its proper divisors (1).
103405512293 is an equidigital number, since it uses as much as digits as its factorization.
103405512293 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 32400, while the sum is 35.
The spelling of 103405512293 in words is "one hundred three billion, four hundred five million, five hundred twelve thousand, two hundred ninety-three".
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