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212102303030210 = 25102653206620657
BaseRepresentation
bin110000001110011111101010…
…011011011001101111000010
31000210222210010011220120010202
4300032133222123121233002
5210300041004033431320
62031034241452325202
762450612536620365
oct6016375233315702
91023883104816122
10212102303030210
11616450996239aa
121b956a20173802
139147213654668
143a53b404800dc
15197c4034b8b75
hexc0e7ea6d9bc2

212102303030210 has 16 divisors (see below), whose sum is σ = 381787866473976. Its totient is φ = 84840094318848.

The previous prime is 212102303030201. The next prime is 212102303030213. The reversal of 212102303030210 is 12030303201212.

It can be written as a sum of positive squares in 4 ways, for example, as 189840806862529 + 22261496167681 = 13778273^2 + 4718209^2 .

It is not an unprimeable number, because it can be changed into a prime (212102303030213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102283799 + ... + 104336858.

Almost surely, 2212102303030210 is an apocalyptic number.

212102303030210 is a deficient number, since it is larger than the sum of its proper divisors (169685563443766).

212102303030210 is a wasteful number, since it uses less digits than its factorization.

212102303030210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206723317.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212102303030210 its reverse (12030303201212), we get a palindrome (224132606231422).

The spelling of 212102303030210 in words is "two hundred twelve trillion, one hundred two billion, three hundred three million, thirty thousand, two hundred ten".

Divisors: 1 2 5 10 102653 205306 513265 1026530 206620657 413241314 1033103285 2066206570 21210230303021 42420460606042 106051151515105 212102303030210