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2163222050 = 252113933131
BaseRepresentation
bin1000000011110000…
…0010011000100010
312120202111001210012
42000330002120202
513412241101200
6554353204522
7104415040553
oct20074023042
95522431705
102163222050
11a1009a820
12504560742
13286225562
1416742632a
15c9da4a35
hex80f02622

2163222050 has 24 divisors (see below), whose sum is σ = 4389375312. Its totient is φ = 786626000.

The previous prime is 2163222049. The next prime is 2163222053. The reversal of 2163222050 is 502223612.

It is not an unprimeable number, because it can be changed into a prime (2163222053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1966016 + ... + 1967115.

It is an arithmetic number, because the mean of its divisors is an integer number (182890638).

Almost surely, 22163222050 is an apocalyptic number.

2163222050 is an abundant number, since it is smaller than the sum of its proper divisors (2226153262).

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

2163222050 is a wasteful number, since it uses less digits than its factorization.

2163222050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933154 (or 3933149 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2163222050 is about 46510.4509760978. The cubic root of 2163222050 is about 1293.3032443461.

Adding to 2163222050 its reverse (502223612), we get a palindrome (2665445662).

It can be divided in two parts, 21632 and 22050, that multiplied together give a square (476985600 = 218402).

The spelling of 2163222050 in words is "two billion, one hundred sixty-three million, two hundred twenty-two thousand, fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 3933131 7866262 19665655 39331310 43264441 86528882 98328275 196656550 216322205 432644410 1081611025 2163222050