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302000212120 = 23517823539633
BaseRepresentation
bin1000110010100001001…
…11011000100010011000
31001212111220200022221111
410121100213120202120
514421444023241440
6350423104350104
730550563306505
oct4312047304230
91055456608844
10302000212120
11107094279272
124a643315334
132262b34b689
141088ca544ac
157cc80b44ea
hex46509d8898

302000212120 has 64 divisors (see below), whose sum is σ = 720346633920. Its totient is φ = 113555841024.

The previous prime is 302000212081. The next prime is 302000212127. The reversal of 302000212120 is 21212000203.

It is a self number, because there is not a number n which added to its sum of digits gives 302000212120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302000212127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289824 + ... + 829456.

It is an arithmetic number, because the mean of its divisors is an integer number (11255416155).

Almost surely, 2302000212120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302000212120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360173316960).

302000212120 is an abundant number, since it is smaller than the sum of its proper divisors (418346421800).

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

302000212120 is a wasteful number, since it uses less digits than its factorization.

302000212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540484 (or 540480 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 302000212120 its reverse (21212000203), we get a palindrome (323212212323).

The spelling of 302000212120 in words is "three hundred two billion, two hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 823 1646 3292 4115 6584 8230 13991 16460 27982 32920 55964 69955 111928 139910 279820 539633 559640 1079266 2158532 2698165 4317064 5396330 9173761 10792660 18347522 21585320 36695044 45868805 73390088 91737610 183475220 366950440 444117959 888235918 1776471836 2220589795 3552943672 4441179590 7550005303 8882359180 15100010606 17764718360 30200021212 37750026515 60400042424 75500053030 151000106060 302000212120