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302130121321 = 7307140591029
BaseRepresentation
bin1000110010110000101…
…10111100101001101001
31001212211222010101212101
410121120112330221221
514422230302340241
6350444025013401
730554031441520
oct4313026745151
91055758111771
10302130121321
11107150638a46
124a67a924261
132264c234a22
14108a1dcd4b7
157cd46c5e31
hex46585bca69

302130121321 has 8 divisors (see below), whose sum is σ = 346416297920. Its totient is φ = 258125127408.

The previous prime is 302130121259. The next prime is 302130121333. The reversal of 302130121321 is 123121031203.

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-302130121321 is a prime.

It is a super-2 number, since 2×3021301213212 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (302130121351) 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 7 ways as a sum of consecutive naturals, for example, 70293366 + ... + 70297663.

It is an arithmetic number, because the mean of its divisors is an integer number (43302037240).

Almost surely, 2302130121321 is an apocalyptic number.

It is an amenable number.

302130121321 is a deficient number, since it is larger than the sum of its proper divisors (44286176599).

302130121321 is a wasteful number, since it uses less digits than its factorization.

302130121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140591343.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 302130121321 its reverse (123121031203), we get a palindrome (425251152524).

The spelling of 302130121321 in words is "three hundred two billion, one hundred thirty million, one hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 7 307 2149 140591029 984137203 43161445903 302130121321