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302212213213 = 312196831853
BaseRepresentation
bin1000110010111010100…
…00000110100111011101
31001220001200121002202211
410121131100012213131
514422412311310323
6350500120320421
730556046266501
oct4313520064735
91056050532684
10302212213213
11107192a08889
124a6a2313111
1322663248301
14108acc7c301
157cdb9de70d
hex465d4069dd

302212213213 has 4 divisors (see below), whose sum is σ = 302309048188. Its totient is φ = 302115378240.

The previous prime is 302212213141. The next prime is 302212213223. The reversal of 302212213213 is 312312212203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 210308004 + 302001905209 = 14502^2 + 549547^2 .

It is a cyclic number.

It is not a de Polignac number, because 302212213213 - 217 = 302212082141 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 (302212213223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48412806 + ... + 48419047.

It is an arithmetic number, because the mean of its divisors is an integer number (75577262047).

Almost surely, 2302212213213 is an apocalyptic number.

It is an amenable number.

302212213213 is a deficient number, since it is larger than the sum of its proper divisors (96834975).

302212213213 is an equidigital number, since it uses as much as digits as its factorization.

302212213213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96834974.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 302212213213 its reverse (312312212203), we get a palindrome (614524425416).

The spelling of 302212213213 in words is "three hundred two billion, two hundred twelve million, two hundred thirteen thousand, two hundred thirteen".

Divisors: 1 3121 96831853 302212213213