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2112141611 = 20789101599
BaseRepresentation
bin111110111100100…
…1011100100101011
312110012100220121002
41331321023210223
513311202012421
6545330305215
7103224623156
oct17571134453
95405326532
102112141611
11994281288
124ab42820b
1327877c448
1416072ac9d
15c5664b0b
hex7de4b92b

2112141611 has 4 divisors (see below), whose sum is σ = 2112264000. Its totient is φ = 2112019224.

The previous prime is 2112141599. The next prime is 2112141613. The reversal of 2112141611 is 1161412112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112141611 - 214 = 2112125227 is a prime.

It is a super-2 number, since 2×21121416112 = 8922284369835350642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112141613) 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 3 ways as a sum of consecutive naturals, for example, 30011 + ... + 71588.

It is an arithmetic number, because the mean of its divisors is an integer number (528066000).

Almost surely, 22112141611 is an apocalyptic number.

2112141611 is a deficient number, since it is larger than the sum of its proper divisors (122389).

2112141611 is a wasteful number, since it uses less digits than its factorization.

2112141611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122388.

The product of its digits is 96, while the sum is 20.

The square root of 2112141611 is about 45958.0418534123. The cubic root of 2112141611 is about 1283.0424069979.

Adding to 2112141611 its reverse (1161412112), we get a palindrome (3273553723).

The spelling of 2112141611 in words is "two billion, one hundred twelve million, one hundred forty-one thousand, six hundred eleven".

Divisors: 1 20789 101599 2112141611