Base | Representation |
---|---|
bin | 10010111111110001010… |
… | …111010100110000111001 |
3 | 11121210112021112022122222 |
4 | 102333301113110300321 |
5 | 132342002133422410 |
6 | 2435412001453425 |
7 | 163212431200325 |
oct | 22776127246071 |
9 | 4553467468588 |
10 | 1305424514105 |
11 | 46369a1189a8 |
12 | 191000041275 |
13 | 96140b9b5ba |
14 | 4727bb92985 |
15 | 23e55283955 |
hex | 12ff15d4c39 |
1305424514105 has 8 divisors (see below), whose sum is σ = 1566515780232. Its totient is φ = 1044335369088.
The previous prime is 1305424514071. The next prime is 1305424514111. The reversal of 1305424514105 is 5014154245031.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 235507354681 + 1069917159424 = 485291^2 + 1034368^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1305424514105 - 226 = 1305357405241 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606349 + ... + 2278421.
It is an arithmetic number, because the mean of its divisors is an integer number (195814472529).
Almost surely, 21305424514105 is an apocalyptic number.
It is an amenable number.
1305424514105 is a deficient number, since it is larger than the sum of its proper divisors (261091266127).
1305424514105 is an equidigital number, since it uses as much as digits as its factorization.
1305424514105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1060555.
The product of its (nonzero) digits is 48000, while the sum is 35.
Adding to 1305424514105 its reverse (5014154245031), we get a palindrome (6319578759136).
The spelling of 1305424514105 in words is "one trillion, three hundred five billion, four hundred twenty-four million, five hundred fourteen thousand, one hundred five".
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