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302130310021 = 1733794607963
BaseRepresentation
bin1000110010110000101…
…11101010101110000101
31001212211222110222201021
410121120113222232011
514422230324410041
6350444033031141
730554033155621
oct4313027525605
91055758428637
10302130310021
111071507577a1
124a67a9b54b1
132264c29c897
14108a203c181
157cd4711cd1
hex46585eab85

302130310021 has 8 divisors (see below), whose sum is σ = 304678579680. Its totient is φ = 299591257392.

The previous prime is 302130310019. The next prime is 302130310049. The reversal of 302130310021 is 120013031203.

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 302130310021 - 21 = 302130310019 is a prime.

It is a super-3 number, since 3×3021303100213 (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302130309977 and 302130310004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302130310091) 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, 2238415 + ... + 2369548.

It is an arithmetic number, because the mean of its divisors is an integer number (38084822460).

Almost surely, 2302130310021 is an apocalyptic number.

It is an amenable number.

302130310021 is a deficient number, since it is larger than the sum of its proper divisors (2548269659).

302130310021 is a wasteful number, since it uses less digits than its factorization.

302130310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608515.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 302130310021 its reverse (120013031203), we get a palindrome (422143341224).

The spelling of 302130310021 in words is "three hundred two billion, one hundred thirty million, three hundred ten thousand, twenty-one".

Divisors: 1 173 379 65567 4607963 797177599 1746417977 302130310021