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3995498780 = 22571317296173
BaseRepresentation
bin1110111000100110…
…0111100100011100
3101022110020100221022
43232021213210130
531140321430110
61500245223312
7201004115330
oct35611474434
911273210838
103995498780
11177039a409
12936101b38
134b8a06980
1429c9017c0
15185b86755
hexee26791c

3995498780 has 384 divisors, whose sum is σ = 11654254080. Its totient is φ = 1114767360.

The previous prime is 3995498747. The next prime is 3995498783. The reversal of 3995498780 is 878945993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995498783) 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 127 ways as a sum of consecutive naturals, for example, 54732824 + ... + 54732896.

It is an arithmetic number, because the mean of its divisors is an integer number (30349620).

Almost surely, 23995498780 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 3995498780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5827127040).

3995498780 is an abundant number, since it is smaller than the sum of its proper divisors (7658755300).

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

3995498780 is a wasteful number, since it uses less digits than its factorization.

3995498780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 62.

The square root of 3995498780 is about 63209.9579180369. The cubic root of 3995498780 is about 1586.8053916989.

The spelling of 3995498780 in words is "three billion, nine hundred ninety-five million, four hundred ninety-eight thousand, seven hundred eighty".