Base | Representation |
---|---|
bin | 111101011001101… |
… | …000110100111001 |
3 | 2122210101002002001 |
4 | 331121220310321 |
5 | 4102203143001 |
6 | 250115141001 |
7 | 34345653244 |
oct | 7531506471 |
9 | 2583332061 |
10 | 1030131001 |
11 | 489533739 |
12 | 248ba4761 |
13 | 135559993 |
14 | 9ab5225b |
15 | 60684001 |
hex | 3d668d39 |
1030131001 has 2 divisors, whose sum is σ = 1030131002. Its totient is φ = 1030131000.
The previous prime is 1030130993. The next prime is 1030131013. The reversal of 1030131001 is 1001310301.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1019141776 + 10989225 = 31924^2 + 3315^2 .
It is a cyclic number.
It is not a de Polignac number, because 1030131001 - 23 = 1030130993 is a prime.
It is a super-2 number, since 2×10301310012 = 2122339758442524002, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1030131041) 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, 515065500 + 515065501.
It is an arithmetic number, because the mean of its divisors is an integer number (515065501).
Almost surely, 21030131001 is an apocalyptic number.
It is an amenable number.
1030131001 is a deficient number, since it is larger than the sum of its proper divisors (1).
1030131001 is an equidigital number, since it uses as much as digits as its factorization.
1030131001 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 9, while the sum is 10.
The square root of 1030131001 is about 32095.6539269727. The cubic root of 1030131001 is about 1009.9444471618.
Adding to 1030131001 its reverse (1001310301), we get a palindrome (2031441302).
The spelling of 1030131001 in words is "one billion, thirty million, one hundred thirty-one thousand, one".
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