Search a number
-
+
305020300000 = 2555131953233
BaseRepresentation
bin1000111000001001010…
…00000110101011100000
31002011022101111200200011
410130010220012223200
514444140144100000
6352042511334304
731015454525443
oct4340450065340
91064271450604
10305020300000
111083a4009a69
124b146821394
13229bcc47320
1410a97ba965a
157e032c52ba
hex4704a06ae0

305020300000 has 576 divisors, whose sum is σ = 870643650240. Its totient is φ = 104232960000.

The previous prime is 305020299971. The next prime is 305020300021. The reversal of 305020300000 is 3020503.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1309099884 + ... + 1309100116.

It is an arithmetic number, because the mean of its divisors is an integer number (1511534115).

Almost surely, 2305020300000 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 305020300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435321825120).

305020300000 is an abundant number, since it is smaller than the sum of its proper divisors (565623350240).

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

305020300000 is a wasteful number, since it uses less digits than its factorization.

305020300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 13.

Adding to 305020300000 its reverse (3020503), we get a palindrome (305023320503).

The spelling of 305020300000 in words is "three hundred five billion, twenty million, three hundred thousand".