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105310230105 = 3529362366821
BaseRepresentation
bin110001000010011111…
…0101001011001011001
3101001211020202222111210
41202010332221121121
53211133404330410
6120213455413333
710415454120633
oct1420476513131
9331736688453
10105310230105
1140730974623
12184b0224249
139c13a0b632
1451503d9a53
152b15521220
hex1884fa9659

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".

Divisors: 1 3 5 15 29 87 145 435 3623 10869 18115 54345 66821 105067 200463 315201 334105 525335 1002315 1576005 1937809 5813427 9689045 29067135 242092483 726277449 1210462415 3631387245 7020682007 21062046021 35103410035 105310230105