Search a number
-
+
30311333112 = 2331578044409
BaseRepresentation
bin11100001110101100…
…100011110011111000
32220020110010021010010
4130032230203303320
5444034200124422
621531433021520
72122100036364
oct341654436370
986213107103
1030311333112
1111944a59225
125a5b2548a0
132b20a30488
14167792c2a4
15bc6125b0c
hex70eb23cf8

30311333112 has 32 divisors (see below), whose sum is σ = 76261006800. Its totient is φ = 10039421184.

The previous prime is 30311333083. The next prime is 30311333147. The reversal of 30311333112 is 21133311303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4018437 + ... + 4025972.

Almost surely, 230311333112 is an apocalyptic number.

It is an amenable number.

30311333112 is an abundant number, since it is smaller than the sum of its proper divisors (45949673688).

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

30311333112 is a wasteful number, since it uses less digits than its factorization.

30311333112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044575 (or 8044571 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 30311333112 its reverse (21133311303), we get a palindrome (51444644415).

The spelling of 30311333112 in words is "thirty billion, three hundred eleven million, three hundred thirty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 157 314 471 628 942 1256 1884 3768 8044409 16088818 24133227 32177636 48266454 64355272 96532908 193065816 1262972213 2525944426 3788916639 5051888852 7577833278 10103777704 15155666556 30311333112