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30101100000 = 25355269373
BaseRepresentation
bin11100000010001010…
…100101010111100000
32212200210112022111120
4130002022211113200
5443121340200000
621454523012240
72113635062016
oct340212452740
985623468446
1030101100000
1111847316a54
125a0096a080
132ab930249a
141657a448b6
15bb29496a0
hex7022a55e0

30101100000 has 288 divisors, whose sum is σ = 99395825760. Its totient is φ = 7975680000.

The previous prime is 30101099969. The next prime is 30101100019. The reversal of 30101100000 is 110103.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 80699814 + ... + 80700186.

It is an arithmetic number, because the mean of its divisors is an integer number (345124395).

Almost surely, 230101100000 is an apocalyptic number.

30101100000 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 30101100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49697912880).

30101100000 is an abundant number, since it is smaller than the sum of its proper divisors (69294725760).

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

30101100000 is an equidigital number, since it uses as much as digits as its factorization.

30101100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 6.

Adding to 30101100000 its reverse (110103), we get a palindrome (30101210103).

The spelling of 30101100000 in words is "thirty billion, one hundred one million, one hundred thousand".