Base | Representation |
---|---|
bin | 10011000100001001111… |
… | …001111111111011110001 |
3 | 11122020200022000222020222 |
4 | 103010021321333323301 |
5 | 132431122043134210 |
6 | 2441511014542425 |
7 | 163440162443441 |
oct | 23041171777361 |
9 | 4566608028228 |
10 | 1310131224305 |
11 | 465694a14a42 |
12 | 191ab4367a15 |
13 | 9671103b717 |
14 | 475a6d0a121 |
15 | 2412d5a4655 |
hex | 13109e7fef1 |
1310131224305 has 48 divisors (see below), whose sum is σ = 1640193870672. Its totient is φ = 1004013158400.
The previous prime is 1310131224293. The next prime is 1310131224343. The reversal of 1310131224305 is 5034221310131.
It can be written as a sum of positive squares in 8 ways, for example, as 18505793296 + 1291625431009 = 136036^2 + 1136497^2 .
It is not a de Polignac number, because 1310131224305 - 28 = 1310131224049 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265582619 + ... + 265587551.
It is an arithmetic number, because the mean of its divisors is an integer number (34170705639).
Almost surely, 21310131224305 is an apocalyptic number.
It is an amenable number.
1310131224305 is a deficient number, since it is larger than the sum of its proper divisors (330062646367).
1310131224305 is an equidigital number, since it uses as much as digits as its factorization.
1310131224305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5378 (or 5307 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 26.
Adding to 1310131224305 its reverse (5034221310131), we get a palindrome (6344352534436).
The spelling of 1310131224305 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, two hundred twenty-four thousand, three hundred five".
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