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212102323 = 10113611543
BaseRepresentation
bin11001010010001…
…10110010110011
3112210002220200121
430221012302303
5413244233243
633014031111
75153561056
oct1451066263
9483086617
10212102323
11a97a9684
125b048497
1334c33a44
1420252a9d
151394a1ed
hexca46cb3

212102323 has 8 divisors (see below), whose sum is σ = 214498656. Its totient is φ = 209712000.

The previous prime is 212102321. The next prime is 212102329. The reversal of 212102323 is 323201212.

212102323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212102323 - 21 = 212102321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212102297 and 212102306.

It is not an unprimeable number, because it can be changed into a prime (212102321) 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, 136690 + ... + 138232.

It is an arithmetic number, because the mean of its divisors is an integer number (26812332).

Almost surely, 2212102323 is an apocalyptic number.

212102323 is a deficient number, since it is larger than the sum of its proper divisors (2396333).

212102323 is a wasteful number, since it uses less digits than its factorization.

212102323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 212102323 is about 14563.7331409224. The cubic root of 212102323 is about 596.3691118889.

Adding to 212102323 its reverse (323201212), we get a palindrome (535303535).

The spelling of 212102323 in words is "two hundred twelve million, one hundred two thousand, three hundred twenty-three".

Divisors: 1 101 1361 1543 137461 155843 2100023 212102323