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30431163304 = 2322997117107
BaseRepresentation
bin11100010101110101…
…101011001110101000
32220112210121021020101
4130111311223032220
5444310334211204
621551353235144
72125053422503
oct342565531650
986483537211
1030431163304
11119a6664443
125a93402ab4
132b3c7c8009
14168980213a
15bd18e5ea4
hex715d6b3a8

30431163304 has 32 divisors (see below), whose sum is σ = 57369967200. Its totient is φ = 15132651840.

The previous prime is 30431163271. The next prime is 30431163307. The reversal of 30431163304 is 40336113403.

It is not an unprimeable number, because it can be changed into a prime (30431163307) 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 7 ways as a sum of consecutive naturals, for example, 1770319 + ... + 1787425.

It is an arithmetic number, because the mean of its divisors is an integer number (1792811475).

Almost surely, 230431163304 is an apocalyptic number.

It is an amenable number.

30431163304 is a deficient number, since it is larger than the sum of its proper divisors (26938803896).

30431163304 is a wasteful number, since it uses less digits than its factorization.

30431163304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18313 (or 18309 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 30431163304 its reverse (40336113403), we get a palindrome (70767276707).

The spelling of 30431163304 in words is "thirty billion, four hundred thirty-one million, one hundred sixty-three thousand, three hundred four".

Divisors: 1 2 4 8 229 458 916 971 1832 1942 3884 7768 17107 34214 68428 136856 222359 444718 889436 1778872 3917503 7835006 15670012 16610897 31340024 33221794 66443588 132887176 3803895413 7607790826 15215581652 30431163304