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210211212382 = 2373281784467
BaseRepresentation
bin1100001111000110010…
…0001000110001011110
3202002120222111000112121
43003301210020301132
511421003032244012
6240323015453154
721121141552333
oct3036144106136
9662528430477
10210211212382
11811718271a6
12348a73871ba
1316a909bb292
14a26230498a
155704b53a07
hex30f1908c5e

210211212382 has 8 divisors (see below), whose sum is σ = 316162173096. Its totient is φ = 104823821352.

The previous prime is 210211212313. The next prime is 210211212383. The reversal of 210211212382 is 283212112012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2102112123822 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210211212383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140891488 + ... + 140892979.

It is an arithmetic number, because the mean of its divisors is an integer number (39520271637).

Almost surely, 2210211212382 is an apocalyptic number.

210211212382 is a deficient number, since it is larger than the sum of its proper divisors (105950960714).

210211212382 is a wasteful number, since it uses less digits than its factorization.

210211212382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281784842.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 210211212382 its reverse (283212112012), we get a palindrome (493423324394).

The spelling of 210211212382 in words is "two hundred ten billion, two hundred eleven million, two hundred twelve thousand, three hundred eighty-two".

Divisors: 1 2 373 746 281784467 563568934 105105606191 210211212382