Base | Representation |
---|---|
bin | 10010111111110001001… |
… | …110100000110011110001 |
3 | 11121210112010011221222220 |
4 | 102333301032200303301 |
5 | 132342001041013040 |
6 | 2435411440151253 |
7 | 163212402436623 |
oct | 22776116406361 |
9 | 4553463157886 |
10 | 1305422204145 |
11 | 463698890444 |
12 | 190bbb308529 |
13 | 96140570067 |
14 | 4727b750c13 |
15 | 23e54e792d0 |
hex | 12ff13a0cf1 |
1305422204145 has 16 divisors (see below), whose sum is σ = 2088701551872. Its totient is φ = 696216500480.
The previous prime is 1305422204137. The next prime is 1305422204161. The reversal of 1305422204145 is 5414022245031.
It is not a de Polignac number, because 1305422204145 - 23 = 1305422204137 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810664 + ... + 1807766.
It is an arithmetic number, because the mean of its divisors is an integer number (130543846992).
Almost surely, 21305422204145 is an apocalyptic number.
1305422204145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1305422204145 is a deficient number, since it is larger than the sum of its proper divisors (783279347727).
1305422204145 is an equidigital number, since it uses as much as digits as its factorization.
1305422204145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1084392.
The product of its (nonzero) digits is 38400, while the sum is 33.
Adding to 1305422204145 its reverse (5414022245031), we get a palindrome (6719444449176).
The spelling of 1305422204145 in words is "one trillion, three hundred five billion, four hundred twenty-two million, two hundred four thousand, one hundred forty-five".
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