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2105132315011 = 112359257548749
BaseRepresentation
bin11110101000100011101…
…010011111000110000011
321110020201021211210211221
4132220203222133012003
5233442302333040021
64251030123215511
7305043066303055
oct36504352370603
97406637753757
102105132315011
11741866347140
1229bba4677597
1312368944baab
1473c633b58d5
1539b5caa8241
hex1ea23a9f183

2105132315011 has 32 divisors (see below), whose sum is σ = 2446459200000. Its totient is φ = 1792518266880.

The previous prime is 2105132315009. The next prime is 2105132315063. The reversal of 2105132315011 is 1105132315012.

It is not a de Polignac number, because 2105132315011 - 21 = 2105132315009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105132315411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3561865 + ... + 4110613.

It is an arithmetic number, because the mean of its divisors is an integer number (76451850000).

Almost surely, 22105132315011 is an apocalyptic number.

2105132315011 is a deficient number, since it is larger than the sum of its proper divisors (341326884989).

2105132315011 is a wasteful number, since it uses less digits than its factorization.

2105132315011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549099.

The product of its (nonzero) digits is 900, while the sum is 25.

Subtracting from 2105132315011 its reverse (1105132315012), we obtain a palindrome (999999999999).

The spelling of 2105132315011 in words is "two trillion, one hundred five billion, one hundred thirty-two million, three hundred fifteen thousand, eleven".

Divisors: 1 11 23 59 253 257 649 1357 2827 5911 14927 15163 65021 166793 348749 548749 3836239 6036239 12621227 32376191 138833497 141028493 356138101 744652393 1551313423 3243655339 8191176323 8320681087 35680208729 91527491957 191375665001 2105132315011