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105047111806 = 2713718129323
BaseRepresentation
bin110000111010101001…
…0111011100001111110
3101001010220200012001121
41201311102323201332
53210114030034211
6120131420101154
710406110501120
oct1416522734176
9331126605047
10105047111806
11406063a098a
12184380947ba
139ba1354c30
1451274a7210
152aec39a271
hex18754bb87e

105047111806 has 32 divisors (see below), whose sum is σ = 196664606208. Its totient is φ = 40971782880.

The previous prime is 105047111797. The next prime is 105047111831. The reversal of 105047111806 is 608111740501.

It is a super-2 number, since 2×1050471118062 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4051740 + ... + 4077583.

It is an arithmetic number, because the mean of its divisors is an integer number (6145768944).

Almost surely, 2105047111806 is an apocalyptic number.

105047111806 is a deficient number, since it is larger than the sum of its proper divisors (91617494402).

105047111806 is a wasteful number, since it uses less digits than its factorization.

105047111806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8129416.

The product of its (nonzero) digits is 6720, while the sum is 34.

The spelling of 105047111806 in words is "one hundred five billion, forty-seven million, one hundred eleven thousand, eight hundred six".

Divisors: 1 2 7 13 14 26 71 91 142 182 497 923 994 1846 6461 12922 8129323 16258646 56905261 105681199 113810522 211362398 577181933 739768393 1154363866 1479536786 4040273531 7503365129 8080547062 15006730258 52523555903 105047111806