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210212220211002 = 23211678456678389
BaseRepresentation
bin101111110010111111011000…
…101101101000111100111010
31000120022002111001122000221200
4233302333120231220330322
5210023104111333223002
62023030054422115030
762164221532005342
oct5762773055507472
91016262431560850
10210212220211002
1160a865580a69a9
121b6b065327ba76
13903ac093b0849
1439ca47bbb5d22
1519481801c4b1c
hexbf2fd8b68f3a

210212220211002 has 12 divisors (see below), whose sum is σ = 455459810457210. Its totient is φ = 70070740070328.

The previous prime is 210212220211001. The next prime is 210212220211009. The reversal of 210212220211002 is 200112022212012.

It is a happy number.

210212220211002 is a `hidden beast` number, since 21 + 0 + 212 + 220 + 211 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 200998075309641 + 9214144901361 = 14177379^2 + 3035481^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11678456678389 = 210212220211002 / (2 + 1 + 0 + 2 + 1 + 2 + 2 + 2 + 0 + 2 + 1 + 1 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (210212220211001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5839228339177 + ... + 5839228339212.

Almost surely, 2210212220211002 is an apocalyptic number.

210212220211002 is an abundant number, since it is smaller than the sum of its proper divisors (245247590246208).

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

210212220211002 is a wasteful number, since it uses less digits than its factorization.

210212220211002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11678456678397 (or 11678456678394 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210212220211002 its reverse (200112022212012), we get a palindrome (410324242423014).

The spelling of 210212220211002 in words is "two hundred ten trillion, two hundred twelve billion, two hundred twenty million, two hundred eleven thousand, two".

Divisors: 1 2 3 6 9 18 11678456678389 23356913356778 35035370035167 70070740070334 105106110105501 210212220211002