Search a number
-
+
30273440000 = 2854431439
BaseRepresentation
bin11100001100011100…
…000000100100000000
32220010210211002112112
4130030130000210000
5444000000040000
621524000514452
72121126665006
oct341434004400
986123732475
1030273440000
1111925627601
125a4a61ba28
132b15c2390b
1416728a6a76
15bc2b3d235
hex70c700900

30273440000 has 180 divisors, whose sum is σ = 75859217280. Its totient is φ = 12053760000.

The previous prime is 30273439981. The next prime is 30273440023. The reversal of 30273440000 is 4437203.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68959781 + ... + 68960219.

It is an arithmetic number, because the mean of its divisors is an integer number (421440096).

Almost surely, 230273440000 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 30273440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37929608640).

30273440000 is an abundant number, since it is smaller than the sum of its proper divisors (45585777280).

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

30273440000 is an frugal number, since it uses more digits than its factorization.

30273440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

Adding to 30273440000 its reverse (4437203), we get a palindrome (30277877203).

The spelling of 30273440000 in words is "thirty billion, two hundred seventy-three million, four hundred forty thousand".