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30241243140 = 2235504020719
BaseRepresentation
bin11100001010100001…
…001100000000000100
32220001120020022202020
4130022201030000010
5443413224240030
621520450443140
72120256216423
oct341241140004
986046208666
1030241243140
1111909436629
125a3b8934b0
132b0c35ca14
14166c4c52ba
15bbedcd510
hex70a84c004

30241243140 has 24 divisors (see below), whose sum is σ = 84675480960. Its totient is φ = 8064331488.

The previous prime is 30241243139. The next prime is 30241243159. The reversal of 30241243140 is 4134214203.

It is a self number, because there is not a number n which added to its sum of digits gives 30241243140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252010300 + ... + 252010419.

It is an arithmetic number, because the mean of its divisors is an integer number (3528145040).

Almost surely, 230241243140 is an apocalyptic number.

30241243140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30241243140 is an abundant number, since it is smaller than the sum of its proper divisors (54434237820).

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

30241243140 is a wasteful number, since it uses less digits than its factorization.

30241243140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504020731 (or 504020729 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30241243140 its reverse (4134214203), we get a palindrome (34375457343).

The spelling of 30241243140 in words is "thirty billion, two hundred forty-one million, two hundred forty-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 504020719 1008041438 1512062157 2016082876 2520103595 3024124314 5040207190 6048248628 7560310785 10080414380 15120621570 30241243140