Search a number
-
+
30001112100 = 223452171911467
BaseRepresentation
bin11011111100001101…
…001010010000100100
32212102211101101220000
4123330031022100210
5442420241041400
621440551541300
72111312150061
oct337415122044
985384341800
1030001112100
11117a5933623
12599338a830
132aa169434b
141648657c68
15ba8c98600
hex6fc34a424

30001112100 has 360 divisors, whose sum is σ = 108401499360. Its totient is φ = 7132769280.

The previous prime is 30001112077. The next prime is 30001112101. The reversal of 30001112100 is 121110003.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (30001112101) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2610567 + ... + 2622033.

It is an arithmetic number, because the mean of its divisors is an integer number (301115276).

Almost surely, 230001112100 is an apocalyptic number.

30001112100 is a gapful number since it is divisible by the number (30) 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 30001112100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54200749680).

30001112100 is an abundant number, since it is smaller than the sum of its proper divisors (78400387260).

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

30001112100 is a wasteful number, since it uses less digits than its factorization.

30001112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11529 (or 11513 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 30001112100 its reverse (121110003), we get a palindrome (30122222103).

The spelling of 30001112100 in words is "thirty billion, one million, one hundred twelve thousand, one hundred".