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302030102220 = 223571180980809
BaseRepresentation
bin1000110010100100110…
…01011001111011001100
31001212120222220220110020
410121102121121323030
514422024201232340
6350430053142140
730551405336610
oct4312231317314
91055528826406
10302030102220
111070aa134130
124a65132a950
13226345b5622
14108929d5340
157ccaa1a9d0
hex4652659ecc

302030102220 has 192 divisors, whose sum is σ = 1055675980800. Its totient is φ = 62681149440.

The previous prime is 302030102197. The next prime is 302030102233. The reversal of 302030102220 is 22201030203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 302030102220.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 3697176 + ... + 3777984.

It is an arithmetic number, because the mean of its divisors is an integer number (5498312400).

Almost surely, 2302030102220 is an apocalyptic number.

302030102220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302030102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527837990400).

302030102220 is an abundant number, since it is smaller than the sum of its proper divisors (753645878580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302030102220 is a wasteful number, since it uses less digits than its factorization.

302030102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81648 (or 81646 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 302030102220 its reverse (22201030203), we get a palindrome (324231132423).

The spelling of 302030102220 in words is "three hundred two billion, thirty million, one hundred two thousand, two hundred twenty".