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196143105 = 3537353411
BaseRepresentation
bin10111011000011…
…10100000000001
3111200002002202110
423230032200001
5400203034410
631244005533
74601121534
oct1354164001
9450062673
10196143105
11a0799244
12558308a9
1331836912
141c09aa1b
1512346720
hexbb0e801

196143105 has 16 divisors (see below), whose sum is σ = 322311744. Its totient is φ = 101782080.

The previous prime is 196143097. The next prime is 196143131. The reversal of 196143105 is 501341691.

It is not a de Polignac number, because 196143105 - 23 = 196143097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176151 + ... + 177260.

It is an arithmetic number, because the mean of its divisors is an integer number (20144484).

Almost surely, 2196143105 is an apocalyptic number.

196143105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196143105 is a deficient number, since it is larger than the sum of its proper divisors (126168639).

196143105 is a wasteful number, since it uses less digits than its factorization.

196143105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353456.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 196143105 is about 14005.1099602966. The cubic root of 196143105 is about 581.0199107806.

Adding to 196143105 its reverse (501341691), we get a palindrome (697484796).

The spelling of 196143105 in words is "one hundred ninety-six million, one hundred forty-three thousand, one hundred five".

Divisors: 1 3 5 15 37 111 185 555 353411 1060233 1767055 5301165 13076207 39228621 65381035 196143105