Search a number
-
+
30531576304 = 242965800811
BaseRepresentation
bin11100011011110100…
…101110000111110000
32220210210112202222101
4130123310232013300
51000012040420204
622005341350144
72130413054665
oct343364560760
986723482871
1030531576304
1111a48308199
125b00b68354
132b575547a8
141698c9da6c
15bda62cea4
hex71bd2e1f0

30531576304 has 20 divisors (see below), whose sum is σ = 61194755160. Its totient is φ = 14739381440.

The previous prime is 30531576289. The next prime is 30531576307. The reversal of 30531576304 is 40367513503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30531576307) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32899942 + ... + 32900869.

It is an arithmetic number, because the mean of its divisors is an integer number (3059737758).

Almost surely, 230531576304 is an apocalyptic number.

It is an amenable number.

30531576304 is an abundant number, since it is smaller than the sum of its proper divisors (30663178856).

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

30531576304 is a wasteful number, since it uses less digits than its factorization.

30531576304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65800848 (or 65800842 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 37.

The spelling of 30531576304 in words is "thirty billion, five hundred thirty-one million, five hundred seventy-six thousand, three hundred four".

Divisors: 1 2 4 8 16 29 58 116 232 464 65800811 131601622 263203244 526406488 1052812976 1908223519 3816447038 7632894076 15265788152 30531576304