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1232223012330 = 2353110691239449
BaseRepresentation
bin10001111011100110001…
…101110000010111101010
311100210120201222201222120
4101323212031300113222
5130142043042343310
62342024143332110
7155011430534262
oct21734615602752
94323521881876
101232223012330
114356458481a2
1217a990bb1036
138c2763aa9cb
14438d5cc07a2
15220bda79b70
hex11ee63705ea

1232223012330 has 64 divisors (see below), whose sum is σ = 3055591296000. Its totient is φ = 317695311360.

The previous prime is 1232223012277. The next prime is 1232223012343. The reversal of 1232223012330 is 332103222321.

It is a self number, because there is not a number n which added to its sum of digits gives 1232223012330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374446 + ... + 1613894.

It is an arithmetic number, because the mean of its divisors is an integer number (47743614000).

Almost surely, 21232223012330 is an apocalyptic number.

1232223012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232223012330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1527795648000).

1232223012330 is an abundant number, since it is smaller than the sum of its proper divisors (1823368283670).

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

1232223012330 is a wasteful number, since it uses less digits than its factorization.

1232223012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240559.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1232223012330 its reverse (332103222321), we get a palindrome (1564326234651).

The spelling of 1232223012330 in words is "one trillion, two hundred thirty-two billion, two hundred twenty-three million, twelve thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 1069 2138 3207 5345 6414 10690 16035 32070 33139 66278 99417 165695 198834 331390 497085 994170 1239449 2478898 3718347 6197245 7436694 12394490 18591735 37183470 38422919 76845838 115268757 192114595 230537514 384229190 576343785 1152687570 1324970981 2649941962 3974912943 6624854905 7949825886 13249709810 19874564715 39749129430 41074100411 82148200822 123222301233 205370502055 246444602466 410741004110 616111506165 1232223012330