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230023320320 = 285269668051
BaseRepresentation
bin1101011000111001110…
…1010101001100000000
3210222201201110101100002
43112032131111030000
512232041432222240
6253400554015132
722422122651063
oct3261635251400
9728651411302
10230023320320
1189609193122
12386b64174a8
13188ca48aa81
14b1c167a8da
155eb4157d15
hex358e755300

230023320320 has 72 divisors (see below), whose sum is σ = 553026806640. Its totient is φ = 91667148800.

The previous prime is 230023320313. The next prime is 230023320323. The reversal of 230023320320 is 23023320032.

It is a super-3 number, since 3×2300233203203 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 230023320292 and 230023320301.

It is not an unprimeable number, because it can be changed into a prime (230023320323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10295 + ... + 678345.

It is an arithmetic number, because the mean of its divisors is an integer number (7680927870).

Almost surely, 2230023320320 is an apocalyptic number.

230023320320 is a gapful number since it is divisible by the number (20) 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 230023320320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276513403320).

230023320320 is an abundant number, since it is smaller than the sum of its proper divisors (323003486320).

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

230023320320 is an equidigital number, since it uses as much as digits as its factorization.

230023320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668341 (or 668327 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

Adding to 230023320320 its reverse (23023320032), we get a palindrome (253046640352).

The spelling of 230023320320 in words is "two hundred thirty billion, twenty-three million, three hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 269 320 538 640 1076 1280 1345 2152 2690 4304 5380 8608 10760 17216 21520 34432 43040 68864 86080 172160 344320 668051 1336102 2672204 3340255 5344408 6680510 10688816 13361020 21377632 26722040 42755264 53444080 85510528 106888160 171021056 179705719 213776320 359411438 427552640 718822876 855105280 898528595 1437645752 1797057190 2875291504 3594114380 5750583008 7188228760 11501166016 14376457520 23002332032 28752915040 46004664064 57505830080 115011660160 230023320320