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105221304434 = 279665957623
BaseRepresentation
bin110000111111110101…
…1011011000001110010
3101001121001110002102102
41201333223123001302
53210443123220214
6120201001420402
710413324221261
oct1417753330162
9331531402372
10105221304434
1140695757434
121848649a702
139bcb4746ac
14514268c5d8
152b0c807bde
hex187fadb072

105221304434 has 8 divisors (see below), whose sum is σ = 159829829760. Its totient is φ = 51944694516.

The previous prime is 105221304431. The next prime is 105221304457. The reversal of 105221304434 is 434403122501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1052213044342 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105221304397 and 105221304406.

It is not an unprimeable number, because it can be changed into a prime (105221304431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332978654 + ... + 332978969.

It is an arithmetic number, because the mean of its divisors is an integer number (19978728720).

Almost surely, 2105221304434 is an apocalyptic number.

105221304434 is a deficient number, since it is larger than the sum of its proper divisors (54608525326).

105221304434 is an equidigital number, since it uses as much as digits as its factorization.

105221304434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665957704.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 105221304434 its reverse (434403122501), we get a palindrome (539624426935).

The spelling of 105221304434 in words is "one hundred five billion, two hundred twenty-one million, three hundred four thousand, four hundred thirty-four".

Divisors: 1 2 79 158 665957623 1331915246 52610652217 105221304434