Base | Representation |
---|---|
bin | 101111111111010100… |
… | …1101111100010010001 |
3 | 100212000012011212200122 |
4 | 1133332221233202101 |
5 | 3142024442301111 |
6 | 115202112400025 |
7 | 10305560450222 |
oct | 1377651574221 |
9 | 325005155618 |
10 | 103056603281 |
11 | 3a784847415 |
12 | 17b81546015 |
13 | 9944b51b38 |
14 | 4db8d9d249 |
15 | 2a3275ecdb |
hex | 17fea6f891 |
103056603281 has 2 divisors, whose sum is σ = 103056603282. Its totient is φ = 103056603280.
The previous prime is 103056603253. The next prime is 103056603313. The reversal of 103056603281 is 182306650301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 79303628881 + 23752974400 = 281609^2 + 154120^2 .
It is an emirp because it is prime and its reverse (182306650301) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 103056603281 - 226 = 102989494417 is a prime.
It is a super-2 number, since 2×1030566032812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (103056603581) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51528301640 + 51528301641.
It is an arithmetic number, because the mean of its divisors is an integer number (51528301641).
Almost surely, 2103056603281 is an apocalyptic number.
It is an amenable number.
103056603281 is a deficient number, since it is larger than the sum of its proper divisors (1).
103056603281 is an equidigital number, since it uses as much as digits as its factorization.
103056603281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 25920, while the sum is 35.
The spelling of 103056603281 in words is "one hundred three billion, fifty-six million, six hundred three thousand, two hundred eighty-one".
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