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300231021222 = 232112141708229
BaseRepresentation
bin1000101111001110010…
…10011101001010100110
31001200221121122010021200
410113213022131022212
514404333120134342
6345531344423330
730456001400526
oct4274712351246
91050847563250
10300231021222
11106366647a30
124a22a917b46
1322408957962
1410761abb686
157c22ae494c
hex45e729d2a6

300231021222 has 48 divisors (see below), whose sum is σ = 709969412880. Its totient is φ = 90936475200.

The previous prime is 300231021221. The next prime is 300231021247. The reversal of 300231021222 is 222120132003.

It is a super-2 number, since 2×3002310212222 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 300231021195 and 300231021204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300231021221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69804 + ... + 778032.

It is an arithmetic number, because the mean of its divisors is an integer number (14791029435).

Almost surely, 2300231021222 is an apocalyptic number.

300231021222 is an abundant number, since it is smaller than the sum of its proper divisors (409738391658).

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

300231021222 is a wasteful number, since it uses less digits than its factorization.

300231021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710389 (or 710386 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 300231021222 its reverse (222120132003), we get a palindrome (522351153225).

The spelling of 300231021222 in words is "three hundred billion, two hundred thirty-one million, twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 2141 4282 6423 12846 19269 23551 38538 47102 70653 141306 211959 423918 708229 1416458 2124687 4249374 6374061 7790519 12748122 15581038 23371557 46743114 70114671 140229342 1516318289 3032636578 4548954867 9097909734 13646864601 16679501179 27293729202 33359002358 50038503537 100077007074 150115510611 300231021222