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105485313444 = 223710181115331
BaseRepresentation
bin110001000111101101…
…0100010010110100100
3101002021110020010200220
41202033122202112210
53212013220012234
6120243112204340
710423011240660
oct1421732422644
9332243203626
10105485313444
11408107892a5
121853a9996b0
139c41080644
1451697738a0
152b25aa7a49
hex188f6a25a4

105485313444 has 96 divisors (see below), whose sum is σ = 284448095232. Its totient is φ = 29801520000.

The previous prime is 105485313383. The next prime is 105485313509. The reversal of 105485313444 is 444313584501.

It is a super-2 number, since 2×1054853134442 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 105485313396 and 105485313405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6872859 + ... + 6888189.

It is an arithmetic number, because the mean of its divisors is an integer number (2963000992).

Almost surely, 2105485313444 is an apocalyptic number.

105485313444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105485313444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142224047616).

105485313444 is an abundant number, since it is smaller than the sum of its proper divisors (178962781788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105485313444 is a wasteful number, since it uses less digits than its factorization.

105485313444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16257 (or 16255 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 42.

Adding to 105485313444 its reverse (444313584501), we get a palindrome (549798897945).

The spelling of 105485313444 in words is "one hundred five billion, four hundred eighty-five million, three hundred thirteen thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 101 202 303 404 606 707 811 1212 1414 1622 2121 2433 2828 3244 4242 4866 5677 8484 9732 11354 15331 17031 22708 30662 34062 45993 61324 68124 81911 91986 107317 163822 183972 214634 245733 321951 327644 429268 491466 573377 643902 982932 1146754 1287804 1548431 1720131 2293508 3096862 3440262 4645293 6193724 6880524 9290586 10839017 12433441 18581172 21678034 24866882 32517051 37300323 43356068 49733764 65034102 74600646 87034087 130068204 149201292 174068174 261102261 348136348 522204522 1044409044 1255777541 2511555082 3767332623 5023110164 7534665246 8790442787 15069330492 17580885574 26371328361 35161771148 52742656722 105485313444