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2186920007111 = 73171141943273
BaseRepresentation
bin11111110100101110100…
…101110001010111000111
321202001211012211001101102
4133310232211301113013
5241312303010211421
64352353541250315
7313666626231020
oct37645645612707
97661735731342
102186920007111
11773516370804
122b3a0b10399b
1312b2c1a54788
1477bc1741c47
153bd47e9d60b
hex1fd2e9715c7

2186920007111 has 16 divisors (see below), whose sum is σ = 2616298426368. Its totient is φ = 1788485227200.

The previous prime is 2186920007101. The next prime is 2186920007161. The reversal of 2186920007111 is 1117000296812.

It is not a de Polignac number, because 2186920007111 - 210 = 2186920006087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2186920007101) 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, 70956230 + ... + 70987043.

It is an arithmetic number, because the mean of its divisors is an integer number (163518651648).

Almost surely, 22186920007111 is an apocalyptic number.

2186920007111 is a deficient number, since it is larger than the sum of its proper divisors (429378419257).

2186920007111 is a wasteful number, since it uses less digits than its factorization.

2186920007111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141943382.

The product of its (nonzero) digits is 12096, while the sum is 38.

The spelling of 2186920007111 in words is "two trillion, one hundred eighty-six billion, nine hundred twenty million, seven thousand, one hundred eleven".

Divisors: 1 7 31 71 217 497 2201 15407 141943273 993602911 4400241463 10077972383 30801690241 70545806681 312417143873 2186920007111