Base | Representation |
---|---|
bin | 110001000010011111… |
… | …0101001011001011001 |
3 | 101001211020202222111210 |
4 | 1202010332221121121 |
5 | 3211133404330410 |
6 | 120213455413333 |
7 | 10415454120633 |
oct | 1420476513131 |
9 | 331736688453 |
10 | 105310230105 |
11 | 40730974623 |
12 | 184b0224249 |
13 | 9c13a0b632 |
14 | 51503d9a53 |
15 | 2b15521220 |
hex | 1884fa9659 |
105310230105 has 32 divisors (see below), whose sum is σ = 174357308160. Its totient is φ = 54212936960.
The previous prime is 105310230101. The next prime is 105310230119. The reversal of 105310230105 is 501032013501.
It is not a de Polignac number, because 105310230105 - 22 = 105310230101 is a prime.
It is a super-2 number, since 2×1053102301052 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (105310230101) 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, 1542595 + ... + 1609415.
It is an arithmetic number, because the mean of its divisors is an integer number (5448665880).
Almost surely, 2105310230105 is an apocalyptic number.
105310230105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
105310230105 is a deficient number, since it is larger than the sum of its proper divisors (69047078055).
105310230105 is a wasteful number, since it uses less digits than its factorization.
105310230105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70481.
The product of its (nonzero) digits is 450, while the sum is 21.
Adding to 105310230105 its reverse (501032013501), we get a palindrome (606342243606).
The spelling of 105310230105 in words is "one hundred five billion, three hundred ten million, two hundred thirty thousand, one hundred five".
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