Base | Representation |
---|---|
bin | 10010111111110001101… |
… | …101011100010101111011 |
3 | 11121210112200102220022111 |
4 | 102333301231130111323 |
5 | 132342010124443230 |
6 | 2435412330033151 |
7 | 163212531366613 |
oct | 22776155342573 |
9 | 4553480386274 |
10 | 1305430312315 |
11 | 4636a2419208 |
12 | 191001b787b7 |
13 | 9614214b7ac |
14 | 4727c861a43 |
15 | 23e55a2b92a |
hex | 12ff1b5c57b |
1305430312315 has 32 divisors (see below), whose sum is σ = 1610635513536. Its totient is φ = 1015122647040.
The previous prime is 1305430312313. The next prime is 1305430312327. The reversal of 1305430312315 is 5132130345031.
It is a happy number.
It is not a de Polignac number, because 1305430312315 - 21 = 1305430312313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1305430312313) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160703844 + ... + 160711966.
It is an arithmetic number, because the mean of its divisors is an integer number (50332359798).
Almost surely, 21305430312315 is an apocalyptic number.
1305430312315 is a deficient number, since it is larger than the sum of its proper divisors (305205201221).
1305430312315 is a wasteful number, since it uses less digits than its factorization.
1305430312315 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10959.
The product of its (nonzero) digits is 16200, while the sum is 31.
Adding to 1305430312315 its reverse (5132130345031), we get a palindrome (6437560657346).
The spelling of 1305430312315 in words is "one trillion, three hundred five billion, four hundred thirty million, three hundred twelve thousand, three hundred fifteen".
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