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302113221020 = 225131279149401
BaseRepresentation
bin1000110010101110101…
…10011110100110011100
31001212210210022210000022
410121113112132212130
514422211441033040
6350442222451312
730553435002512
oct4312726364634
91055723283008
10302113221020
11107142045556
124a675133b38
1322648898450
141089da704b2
157cd2e886b5
hex465759e99c

302113221020 has 48 divisors (see below), whose sum is σ = 688620592128. Its totient is φ = 110671142400.

The previous prime is 302113220947. The next prime is 302113221049. The reversal of 302113221020 is 20122311203.

It is a self number, because there is not a number n which added to its sum of digits gives 302113221020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4541681 + ... + 4607720.

It is an arithmetic number, because the mean of its divisors is an integer number (14346262336).

Almost surely, 2302113221020 is an apocalyptic number.

It is an amenable number.

302113221020 is an abundant number, since it is smaller than the sum of its proper divisors (386507371108).

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

302113221020 is a wasteful number, since it uses less digits than its factorization.

302113221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9149550 (or 9149548 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 302113221020 its reverse (20122311203), we get a palindrome (322235532223).

The spelling of 302113221020 in words is "three hundred two billion, one hundred thirteen million, two hundred twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 127 130 254 260 508 635 1270 1651 2540 3302 6604 8255 16510 33020 9149401 18298802 36597604 45747005 91494010 118942213 182988020 237884426 475768852 594711065 1161973927 1189422130 2323947854 2378844260 4647895708 5809869635 11619739270 15105661051 23239478540 30211322102 60422644204 75528305255 151056610510 302113221020