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105274281806 = 2193913970783
BaseRepresentation
bin110001000001011010…
…1100000111101001110
3101001201202010121201022
41202002311200331032
53211100204004211
6120210133114142
710414536426251
oct1420265407516
9331652117638
10105274281806
1140712651091
12184a0188952
139c09433055
14514971d098
152b122bebdb
hex1882d60f4e

105274281806 has 16 divisors (see below), whose sum is σ = 166229145600. Its totient is φ = 49864786488.

The previous prime is 105274281793. The next prime is 105274281823. The reversal of 105274281806 is 608182472501.

It is a super-2 number, since 2×1052742818062 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1451891 + ... + 1522673.

It is an arithmetic number, because the mean of its divisors is an integer number (10389321600).

Almost surely, 2105274281806 is an apocalyptic number.

105274281806 is a deficient number, since it is larger than the sum of its proper divisors (60954863794).

105274281806 is a wasteful number, since it uses less digits than its factorization.

105274281806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109943.

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 105274281806 in words is "one hundred five billion, two hundred seventy-four million, two hundred eighty-one thousand, eight hundred six".

Divisors: 1 2 19 38 39139 70783 78278 141566 743641 1344877 1487282 2689754 2770375837 5540751674 52637140903 105274281806