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20018200182 = 2311329525369
BaseRepresentation
bin10010101001001011…
…010111111001110110
31220200002202221012120
4102221023113321312
5311444124401212
613110215300410
71306032615441
oct225113277166
956602687176
1020018200182
1185428300a2
123a6807a706
131b703aaa86
14d7c8a2658
157c266388c
hex4a92d7e76

20018200182 has 16 divisors (see below), whose sum is σ = 40390706160. Its totient is φ = 6613682432.

The previous prime is 20018200159. The next prime is 20018200283. The reversal of 20018200182 is 28100281002.

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, 14762007 + ... + 14763362.

It is an arithmetic number, because the mean of its divisors is an integer number (2524419135).

Almost surely, 220018200182 is an apocalyptic number.

20018200182 is an abundant number, since it is smaller than the sum of its proper divisors (20372505978).

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

20018200182 is a wasteful number, since it uses less digits than its factorization.

20018200182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29525487.

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 20018200182 its reverse (28100281002), we get a palindrome (48118481184).

The spelling of 20018200182 in words is "twenty billion, eighteen million, two hundred thousand, one hundred eighty-two".

Divisors: 1 2 3 6 113 226 339 678 29525369 59050738 88576107 177152214 3336366697 6672733394 10009100091 20018200182