Search a number
-
+
30321022000 = 245315160511
BaseRepresentation
bin11100001111010001…
…100001010000110000
32220021010100111202211
4130033101201100300
5444044140201000
621532420421504
72122245302023
oct341721412060
986233314684
1030321022000
111194a476675
125a62547894
132b22a43549
141678d311ba
15bc6ddb7ba
hex70f461430

30321022000 has 40 divisors (see below), whose sum is σ = 73316236032. Its totient is φ = 12128408000.

The previous prime is 30321021953. The next prime is 30321022001. The reversal of 30321022000 is 22012303.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (30321022001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7578256 + ... + 7582255.

Almost surely, 230321022000 is an apocalyptic number.

It is an amenable number.

30321022000 is an abundant number, since it is smaller than the sum of its proper divisors (42995214032).

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

30321022000 is a wasteful number, since it uses less digits than its factorization.

30321022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15160534 (or 15160518 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30321022000 its reverse (22012303), we get a palindrome (30343034303).

The spelling of 30321022000 in words is "thirty billion, three hundred twenty-one million, twenty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 15160511 30321022 60642044 75802555 121284088 151605110 242568176 303210220 379012775 606420440 758025550 1212840880 1516051100 1895063875 3032102200 3790127750 6064204400 7580255500 15160511000 30321022000