Search a number
-
+
4389426448512 = 27374737991673
BaseRepresentation
bin111111110111111110001…
…101000100100010000000
3120112121212200021000001220
4333313332031010202000
51033404021132323022
613200250310155040
7632061036130320
oct77677615044200
916477780230056
104389426448512
1114425aa886266
125aa84a052a80
1325abc8981321
1411264111d280
15792a449e85c
hex3fdfe344880

4389426448512 has 256 divisors, whose sum is σ = 13644611481600. Its totient is φ = 1224186421248.

The previous prime is 4389426448501. The next prime is 4389426448513. The reversal of 4389426448512 is 2158446249834.

It is not an unprimeable number, because it can be changed into a prime (4389426448513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47835508 + ... + 47927180.

It is an arithmetic number, because the mean of its divisors is an integer number (53299263600).

Almost surely, 24389426448512 is an apocalyptic number.

4389426448512 is a gapful number since it is divisible by the number (42) 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 4389426448512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6822305740800).

4389426448512 is an abundant number, since it is smaller than the sum of its proper divisors (9255185033088).

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

4389426448512 is a wasteful number, since it uses less digits than its factorization.

4389426448512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92123 (or 92111 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 60.

The spelling of 4389426448512 in words is "four trillion, three hundred eighty-nine billion, four hundred twenty-six million, four hundred forty-eight thousand, five hundred twelve".