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303011230340 = 2257213217107621
BaseRepresentation
bin1000110100011001110…
…00000111001010000100
31001222010101002101012202
410122030320013022010
514431031333332330
6351111302134032
730614620650500
oct4321470071204
91058111071182
10303011230340
11107562a38215
124a885a21318
132275c945a00
141094702d300
157d36c20445
hex468ce07284

303011230340 has 216 divisors, whose sum is σ = 848689441992. Its totient is φ = 90256158720.

The previous prime is 303011230339. The next prime is 303011230363. The reversal of 303011230340 is 43032110303.

It can be written as a sum of positive squares in 12 ways, for example, as 98766889984 + 204244340356 = 314272^2 + 451934^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2761730 + ... + 2869350.

It is an arithmetic number, because the mean of its divisors is an integer number (3929117787).

Almost surely, 2303011230340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303011230340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424344720996).

303011230340 is an abundant number, since it is smaller than the sum of its proper divisors (545678211652).

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

303011230340 is a wasteful number, since it uses less digits than its factorization.

303011230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107687 (or 107665 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 303011230340 its reverse (43032110303), we get a palindrome (346043340643).

The spelling of 303011230340 in words is "three hundred three billion, eleven million, two hundred thirty thousand, three hundred forty".