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30431400004 = 22232109131941
BaseRepresentation
bin11100010101110110…
…100101000001000100
32220112211001021221001
4130111312211001010
5444310414300004
621551402303044
72125055426545
oct342566450104
986484037831
1030431400004
11119a6806265
125a934b7a84
132b3c87b985
1416898644cc
15bd19411a4
hex715da5044

30431400004 has 36 divisors (see below), whose sum is σ = 56182223020. Its totient is φ = 14420514240.

The previous prime is 30431399993. The next prime is 30431400007. The reversal of 30431400004 is 40000413403.

It can be written as a sum of positive squares in 2 ways, for example, as 15425640000 + 15005760004 = 124200^2 + 122498^2 .

It is not an unprimeable number, because it can be changed into a prime (30431400007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164674 + ... + 296614.

Almost surely, 230431400004 is an apocalyptic number.

It is an amenable number.

30431400004 is a deficient number, since it is larger than the sum of its proper divisors (25750823016).

30431400004 is a wasteful number, since it uses less digits than its factorization.

30431400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132100 (or 132075 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30431400004 its reverse (40000413403), we get a palindrome (70431813407).

The spelling of 30431400004 in words is "thirty billion, four hundred thirty-one million, four hundred thousand, four".

Divisors: 1 2 4 23 46 92 109 218 436 529 1058 2116 2507 5014 10028 57661 115322 131941 230644 263882 527764 3034643 6069286 12138572 14381569 28763138 57526276 69796789 139593578 279187156 330776087 661552174 1323104348 7607850001 15215700002 30431400004