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2162105166 = 231327719297
BaseRepresentation
bin1000000011011111…
…0001101101001110
312120200101022201010
42000313301231032
513411444331131
6554313230050
7104402406414
oct20067615516
95520338633
102162105166
11a0a4a7681
12504102326
13285c24090
141672152b4
15c9c33b46
hex80df1b4e

2162105166 has 16 divisors (see below), whose sum is σ = 4656842064. Its totient is φ = 665263104.

The previous prime is 2162105159. The next prime is 2162105173. The reversal of 2162105166 is 6615012612.

2162105166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2162105159) and next prime (2162105173).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13859571 + ... + 13859726.

It is an arithmetic number, because the mean of its divisors is an integer number (291052629).

Almost surely, 22162105166 is an apocalyptic number.

2162105166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2162105166 is an abundant number, since it is smaller than the sum of its proper divisors (2494736898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2162105166 is a wasteful number, since it uses less digits than its factorization.

2162105166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27719315.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 2162105166 is about 46498.4426190813. The cubic root of 2162105166 is about 1293.0806260581.

Adding to 2162105166 its reverse (6615012612), we get a palindrome (8777117778).

The spelling of 2162105166 in words is "two billion, one hundred sixty-two million, one hundred five thousand, one hundred sixty-six".

Divisors: 1 2 3 6 13 26 39 78 27719297 55438594 83157891 166315782 360350861 720701722 1081052583 2162105166