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230121022320 = 2432572310718553
BaseRepresentation
bin1101011001010001001…
…0000010001101110000
3210222222112022011021200
43112110102002031300
512232241440203240
6253414404051200
722424420262420
oct3262422021560
9728875264250
10230121022320
1189659355082
1238723093b00
13189147a85c7
14b1d0630480
155ebca06930
hex3594482370

230121022320 has 480 divisors, whose sum is σ = 930291028992. Its totient is φ = 49839280128.

The previous prime is 230121022309. The next prime is 230121022333. The reversal of 230121022320 is 23220121032.

230121022320 is a `hidden beast` number, since 2 + 301 + 21 + 0 + 22 + 320 = 666.

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 = 230121022293 and 230121022302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12394164 + ... + 12412716.

Almost surely, 2230121022320 is an apocalyptic number.

230121022320 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 230121022320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (465145514496).

230121022320 is an abundant number, since it is smaller than the sum of its proper divisors (700170006672).

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

230121022320 is a wasteful number, since it uses less digits than its factorization.

230121022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18709 (or 18700 counting only the distinct ones).

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

Adding to 230121022320 its reverse (23220121032), we get a palindrome (253341143352).

The spelling of 230121022320 in words is "two hundred thirty billion, one hundred twenty-one million, twenty-two thousand, three hundred twenty".