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2163662052 = 223180305171
BaseRepresentation
bin1000000011110110…
…1101110011100100
312120210022102100120
42000331231303210
513412344141202
6554410441540
7104421552426
oct20075556344
95523272316
102163662052
11a10370362
125047332b0
1328634a906
141674dc816
15c9e400bc
hex80f6dce4

2163662052 has 12 divisors (see below), whose sum is σ = 5048544816. Its totient is φ = 721220680.

The previous prime is 2163662051. The next prime is 2163662057. The reversal of 2163662052 is 2502663612.

2163662052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2163662051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90152574 + ... + 90152597.

It is an arithmetic number, because the mean of its divisors is an integer number (420712068).

Almost surely, 22163662052 is an apocalyptic number.

It is an amenable number.

2163662052 is an abundant number, since it is smaller than the sum of its proper divisors (2884882764).

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

2163662052 is a wasteful number, since it uses less digits than its factorization.

2163662052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180305178 (or 180305176 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 2163662052 is about 46515.1808767847. The cubic root of 2163662052 is about 1293.3909248867.

The spelling of 2163662052 in words is "two billion, one hundred sixty-three million, six hundred sixty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 12 180305171 360610342 540915513 721220684 1081831026 2163662052