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105808333081 = 1117852166403
BaseRepresentation
bin110001010001010101…
…0110000100100011001
3101010002222001020100011
41202202222300210121
53213143413124311
6120335131441521
710434012664123
oct1424252604431
9333088036304
10105808333081
1140967055780
121860abb62a1
139c92c7b119
14519a61a213
152b44112321
hex18a2ab0919

105808333081 has 16 divisors (see below), whose sum is σ = 122233295808. Its totient is φ = 90519206400.

The previous prime is 105808332997. The next prime is 105808333093. The reversal of 105808333081 is 180333808501.

It is not a de Polignac number, because 105808333081 - 211 = 105808331033 is a prime.

It is a super-2 number, since 2×1058083330812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105808333181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1560226 + ... + 1626628.

It is an arithmetic number, because the mean of its divisors is an integer number (7639580988).

Almost surely, 2105808333081 is an apocalyptic number.

105808333081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105808333081 is a deficient number, since it is larger than the sum of its proper divisors (16424962727).

105808333081 is a wasteful number, since it uses less digits than its factorization.

105808333081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74952.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 105808333081 in words is "one hundred five billion, eight hundred eight million, three hundred thirty-three thousand, eighty-one".

Divisors: 1 11 17 187 8521 66403 93731 144857 730433 1128851 1593427 12417361 565819963 6224019593 9618939371 105808333081