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302130430021 = 750998464697
BaseRepresentation
bin1000110010110000110…
…00001000000001000101
31001212211222201002022201
410121120120020001011
514422230342230041
6350444035354501
730554034165520
oct4313030100105
91055758632281
10302130430021
11107150829972
124a67aa52a31
132264c3123a4
14108a206dbb7
157cd4737631
hex4658608045

302130430021 has 8 divisors (see below), whose sum is σ = 345359678400. Its totient is φ = 258918121248.

The previous prime is 302130430013. The next prime is 302130430027. The reversal of 302130430021 is 120034031203.

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 302130430021 - 23 = 302130430013 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 (302130430027) 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, 4196656 + ... + 4268041.

It is an arithmetic number, because the mean of its divisors is an integer number (43169959800).

Almost surely, 2302130430021 is an apocalyptic number.

It is an amenable number.

302130430021 is a deficient number, since it is larger than the sum of its proper divisors (43229248379).

302130430021 is an equidigital number, since it uses as much as digits as its factorization.

302130430021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8469803.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 302130430021 its reverse (120034031203), we get a palindrome (422164461224).

The spelling of 302130430021 in words is "three hundred two billion, one hundred thirty million, four hundred thirty thousand, twenty-one".

Divisors: 1 7 5099 35693 8464697 59252879 43161490003 302130430021