Search a number
-
+
30330132312 = 23310312269471
BaseRepresentation
bin11100001111110100…
…010001011101011000
32220021202111100202210
4130033310101131120
5444104003213222
621533343555120
72122415604504
oct341764213530
986252440683
1030330132312
1111954629357
125a655bbaa0
132b248b316c
14167a223304
15bc7adad0c
hex70fd11758

30330132312 has 32 divisors (see below), whose sum is σ = 76561505280. Its totient is φ = 10011887520.

The previous prime is 30330132277. The next prime is 30330132319. The reversal of 30330132312 is 21323103303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30330132319) 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, 6132264 + ... + 6137207.

It is an arithmetic number, because the mean of its divisors is an integer number (2392547040).

Almost surely, 230330132312 is an apocalyptic number.

It is an amenable number.

30330132312 is an abundant number, since it is smaller than the sum of its proper divisors (46231372968).

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

30330132312 is a wasteful number, since it uses less digits than its factorization.

30330132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12269583 (or 12269579 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30330132312 its reverse (21323103303), we get a palindrome (51653235615).

The spelling of 30330132312 in words is "thirty billion, three hundred thirty million, one hundred thirty-two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 103 206 309 412 618 824 1236 2472 12269471 24538942 36808413 49077884 73616826 98155768 147233652 294467304 1263755513 2527511026 3791266539 5055022052 7582533078 10110044104 15165066156 30330132312