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210212020020210 = 23513539005179539
BaseRepresentation
bin101111110010111111001100…
…110001111110001111110010
31000120022001222002221021210220
4233302333030301332033302
5210023103204111121320
62023030022511233510
762164213551264615
oct5762771461761762
91016261862837726
10210212020020210
1160a864650a366a
121b6b05b8218896
13903aba6a8a760
1439ca45d38417c
15194816c82de40
hexbf2fccc7e3f2

210212020020210 has 32 divisors (see below), whose sum is σ = 543317220976320. Its totient is φ = 51744497235648.

The previous prime is 210212020020193. The next prime is 210212020020251. The reversal of 210212020020210 is 12020020212012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 210212020020210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269502589380 + ... + 269502590159.

It is an arithmetic number, because the mean of its divisors is an integer number (16978663155510).

Almost surely, 2210212020020210 is an apocalyptic number.

210212020020210 is an abundant number, since it is smaller than the sum of its proper divisors (333105200956110).

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

210212020020210 is a wasteful number, since it uses less digits than its factorization.

210212020020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539005179562.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 210212020020210 its reverse (12020020212012), we get a palindrome (222232040232222).

The spelling of 210212020020210 in words is "two hundred ten trillion, two hundred twelve billion, twenty million, twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 539005179539 1078010359078 1617015538617 2695025897695 3234031077234 5390051795390 7007067334007 8085077693085 14014134668014 16170155386170 21021202002021 35035336670035 42042404004042 70070673340070 105106010010105 210212020020210