Search a number
-
+
30311440024 = 236661568823
BaseRepresentation
bin11100001110101100…
…111101111010011000
32220020110022200202211
4130032230331322120
5444034212040044
621531435204504
72122100663155
oct341654757230
986213280684
1030311440024
1111945021588
125a5b2a6734
132b20a6a038
14167795922c
15bc6147634
hex70eb3de98

30311440024 has 16 divisors (see below), whose sum is σ = 56842582320. Its totient is φ = 15153418080.

The previous prime is 30311439979. The next prime is 30311440063. The reversal of 30311440024 is 42004411303.

It is a junction number, because it is equal to n+sod(n) for n = 30311439977 and 30311440004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231124 + ... + 337699.

It is an arithmetic number, because the mean of its divisors is an integer number (3552661395).

Almost surely, 230311440024 is an apocalyptic number.

It is an amenable number.

30311440024 is a deficient number, since it is larger than the sum of its proper divisors (26531142296).

30311440024 is a wasteful number, since it uses less digits than its factorization.

30311440024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575490 (or 575486 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 30311440024 its reverse (42004411303), we get a palindrome (72315851327).

The spelling of 30311440024 in words is "thirty billion, three hundred eleven million, four hundred forty thousand, twenty-four".

Divisors: 1 2 4 8 6661 13322 26644 53288 568823 1137646 2275292 4550584 3788930003 7577860006 15155720012 30311440024