Search a number
-
+
30130444140 = 2235502174069
BaseRepresentation
bin11100000011111010…
…100001011101101100
32212202211202011002120
4130003322201131230
5443201343203030
621501451552540
72114442356316
oct340372413554
985684664076
1030130444140
1111861939705
125a0a75b750
132ac2407a94
14165b8c27b6
15bb52e4010
hex703ea176c

30130444140 has 24 divisors (see below), whose sum is σ = 84365243760. Its totient is φ = 8034785088.

The previous prime is 30130444109. The next prime is 30130444151. The reversal of 30130444140 is 4144403103.

It is a self number, because there is not a number n which added to its sum of digits gives 30130444140.

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, 251086975 + ... + 251087094.

It is an arithmetic number, because the mean of its divisors is an integer number (3515218490).

Almost surely, 230130444140 is an apocalyptic number.

30130444140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30130444140 is an abundant number, since it is smaller than the sum of its proper divisors (54234799620).

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

30130444140 is a wasteful number, since it uses less digits than its factorization.

30130444140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502174081 (or 502174079 counting only the distinct ones).

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

Adding to 30130444140 its reverse (4144403103), we get a palindrome (34274847243).

The spelling of 30130444140 in words is "thirty billion, one hundred thirty million, four hundred forty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 502174069 1004348138 1506522207 2008696276 2510870345 3013044414 5021740690 6026088828 7532611035 10043481380 15065222070 30130444140