Base | Representation |
---|---|
bin | 110000000101010101… |
… | …0000011011010010001 |
3 | 100212112020011110112012 |
4 | 1200022222003122101 |
5 | 3142433022330111 |
6 | 115234105312305 |
7 | 10313554420445 |
oct | 1401252033221 |
9 | 325466143465 |
10 | 103258011281 |
11 | 3a878501207 |
12 | 18018a95695 |
13 | 99777acc79 |
14 | 4dd7a2a825 |
15 | 2a4529648b |
hex | 180aa83691 |
103258011281 has 2 divisors, whose sum is σ = 103258011282. Its totient is φ = 103258011280.
The previous prime is 103258011253. The next prime is 103258011299. The reversal of 103258011281 is 182110852301.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 94346651281 + 8911360000 = 307159^2 + 94400^2 .
It is a cyclic number.
It is not a de Polignac number, because 103258011281 - 26 = 103258011217 is a prime.
It is a super-2 number, since 2×1032580112812 (a number of 23 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (103258011221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51629005640 + 51629005641.
It is an arithmetic number, because the mean of its divisors is an integer number (51629005641).
Almost surely, 2103258011281 is an apocalyptic number.
It is an amenable number.
103258011281 is a deficient number, since it is larger than the sum of its proper divisors (1).
103258011281 is an equidigital number, since it uses as much as digits as its factorization.
103258011281 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3840, while the sum is 32.
Adding to 103258011281 its reverse (182110852301), we get a palindrome (285368863582).
The spelling of 103258011281 in words is "one hundred three billion, two hundred fifty-eight million, eleven thousand, two hundred eighty-one".
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