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303242240000 = 2135478461
BaseRepresentation
bin1000110100110101010…
…01010110000000000000
31001222201110202212220002
410122122221112000000
514432020003140000
6351150233335132
730623424340160
oct4323251260000
91058643685802
10303242240000
11107671380197
124a92b2674a8
132279876970b
14109699a45a0
157d4c1528d5
hex469aa56000

303242240000 has 280 divisors, whose sum is σ = 866178646608. Its totient is φ = 103956480000.

The previous prime is 303242239981. The next prime is 303242240023. The reversal of 303242240000 is 42242303.

It is a tau number, because it is divible by the number of its divisors (280).

It is a super-2 number, since 2×3032422400002 (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35835770 + ... + 35844230.

Almost surely, 2303242240000 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 303242240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433089323304).

303242240000 is an abundant number, since it is smaller than the sum of its proper divisors (562936406608).

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

303242240000 is an frugal number, since it uses more digits than its factorization.

303242240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8514 (or 8475 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 303242240000 its reverse (42242303), we get a palindrome (303284482303).

The spelling of 303242240000 in words is "three hundred three billion, two hundred forty-two million, two hundred forty thousand".