Base | Representation |
---|---|
bin | 111100011000101… |
… | …011100100101011 |
3 | 2121121022221220022 |
4 | 330120223210223 |
5 | 4033323243031 |
6 | 244310151055 |
7 | 34051142513 |
oct | 7430534453 |
9 | 2547287808 |
10 | 1013102891 |
11 | 47a963219 |
12 | 24335248b |
13 | 131b77188 |
14 | 9879c843 |
15 | 5de1d97b |
hex | 3c62b92b |
1013102891 has 2 divisors, whose sum is σ = 1013102892. Its totient is φ = 1013102890.
The previous prime is 1013102837. The next prime is 1013102899. The reversal of 1013102891 is 1982013101.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1013102891 - 210 = 1013101867 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1013102891.
It is not a weakly prime, because it can be changed into another prime (1013102899) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506551445 + 506551446.
It is an arithmetic number, because the mean of its divisors is an integer number (506551446).
Almost surely, 21013102891 is an apocalyptic number.
1013102891 is a deficient number, since it is larger than the sum of its proper divisors (1).
1013102891 is an equidigital number, since it uses as much as digits as its factorization.
1013102891 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 432, while the sum is 26.
The square root of 1013102891 is about 31829.2772616659. The cubic root of 1013102891 is about 1004.3486918001.
Adding to 1013102891 its reverse (1982013101), we get a palindrome (2995115992).
The spelling of 1013102891 in words is "one billion, thirteen million, one hundred two thousand, eight hundred ninety-one".
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