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212303022311 = 449570182939
BaseRepresentation
bin1100010110111000111…
…1110000100011100111
3202021222202120222022102
43011232033300203213
511434244033203221
6241310342322315
721224031625502
oct3055617604347
9667882528272
10212303022311
1182045580a36
123518ba2939b
131703519c333
14a3c005c139
1557c85ee30b
hex316e3f08e7

212303022311 has 8 divisors (see below), whose sum is σ = 212815746000. Its totient is φ = 211790476800.

The previous prime is 212303022299. The next prime is 212303022353. The reversal of 212303022311 is 113220303212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212303022311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212303022391) 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, 2518280 + ... + 2601218.

It is an arithmetic number, because the mean of its divisors is an integer number (26601968250).

Almost surely, 2212303022311 is an apocalyptic number.

212303022311 is a deficient number, since it is larger than the sum of its proper divisors (512723689).

212303022311 is an equidigital number, since it uses as much as digits as its factorization.

212303022311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89089.

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

Adding to 212303022311 its reverse (113220303212), we get a palindrome (325523325523).

The spelling of 212303022311 in words is "two hundred twelve billion, three hundred three million, twenty-two thousand, three hundred eleven".

Divisors: 1 449 5701 82939 2559749 37239611 472835239 212303022311