Base | Representation |
---|---|
bin | 101110101110000100… |
… | …1110000101010001001 |
3 | 100120222012011211202211 |
4 | 1131130021300222021 |
5 | 3120434024412111 |
6 | 114031402425121 |
7 | 10151164365145 |
oct | 1353411605211 |
9 | 316865154684 |
10 | 100330310281 |
11 | 39605932103 |
12 | 175405021a1 |
13 | 95cc090806 |
14 | 4bdac84225 |
15 | 2923234521 |
hex | 175c270a89 |
100330310281 has 2 divisors, whose sum is σ = 100330310282. Its totient is φ = 100330310280.
The previous prime is 100330310279. The next prime is 100330310321. The reversal of 100330310281 is 182013033001.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 99802919056 + 527391225 = 315916^2 + 22965^2 .
It is a cyclic number.
It is not a de Polignac number, because 100330310281 - 21 = 100330310279 is a prime.
It is a super-2 number, since 2×1003303102812 (a number of 23 digits) contains 22 as substring.
Together with 100330310279, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (100330310081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50165155140 + 50165155141.
It is an arithmetic number, because the mean of its divisors is an integer number (50165155141).
Almost surely, 2100330310281 is an apocalyptic number.
It is an amenable number.
100330310281 is a deficient number, since it is larger than the sum of its proper divisors (1).
100330310281 is an equidigital number, since it uses as much as digits as its factorization.
100330310281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 432, while the sum is 22.
Adding to 100330310281 its reverse (182013033001), we get a palindrome (282343343282).
The spelling of 100330310281 in words is "one hundred billion, three hundred thirty million, three hundred ten thousand, two hundred eighty-one".
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