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105844792930 = 2517622616429
BaseRepresentation
bin110001010010011010…
…1110101111001100010
3101010012111122120211221
41202210311311321202
53213232231333210
6120342513125254
710434634616062
oct1424465657142
9333174576757
10105844792930
1140985698588
121861b25982a
139c9a6a54b6
1451a13cb3a2
152b474151da
hex18a4d75e62

105844792930 has 16 divisors (see below), whose sum is σ = 201727723320. Its totient is φ = 39847451392.

The previous prime is 105844792909. The next prime is 105844792939. The reversal of 105844792930 is 39297448501.

It can be written as a sum of positive squares in 4 ways, for example, as 105832451761 + 12341169 = 325319^2 + 3513^2 .

It is a super-2 number, since 2×1058447929302 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105844792939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311308045 + ... + 311308384.

Almost surely, 2105844792930 is an apocalyptic number.

105844792930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105844792930 is a deficient number, since it is larger than the sum of its proper divisors (95882930390).

105844792930 is a wasteful number, since it uses less digits than its factorization.

105844792930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622616453.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 105844792930 in words is "one hundred five billion, eight hundred forty-four million, seven hundred ninety-two thousand, nine hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 622616429 1245232858 3113082145 6226164290 10584479293 21168958586 52922396465 105844792930