Base | Representation |
---|---|
bin | 111101011001100… |
… | …001100011100111 |
3 | 2122210022120020011 |
4 | 331121201203213 |
5 | 4102201214343 |
6 | 250114351051 |
7 | 34345500364 |
oct | 7531414347 |
9 | 2583276204 |
10 | 1030101223 |
11 | 489513328 |
12 | 248b8b487 |
13 | 135549268 |
14 | 9ab4546b |
15 | 6067a29d |
hex | 3d6618e7 |
1030101223 has 2 divisors, whose sum is σ = 1030101224. Its totient is φ = 1030101222.
The previous prime is 1030101221. The next prime is 1030101251. The reversal of 1030101223 is 3221010301.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 1030101223 - 21 = 1030101221 is a prime.
It is a super-2 number, since 2×10301012232 = 2122217059252191458, which contains 22 as substring.
Together with 1030101221, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1030101221) 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, 515050611 + 515050612.
It is an arithmetic number, because the mean of its divisors is an integer number (515050612).
Almost surely, 21030101223 is an apocalyptic number.
1030101223 is a deficient number, since it is larger than the sum of its proper divisors (1).
1030101223 is an equidigital number, since it uses as much as digits as its factorization.
1030101223 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 1030101223 is about 32095.1900290371. The cubic root of 1030101223 is about 1009.9347155789.
Adding to 1030101223 its reverse (3221010301), we get a palindrome (4251111524).
The spelling of 1030101223 in words is "one billion, thirty million, one hundred one thousand, two hundred twenty-three".
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