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30433042340 = 2251521652117
BaseRepresentation
bin11100010101111100…
…110101111110100100
32220112221010201210022
4130111330311332210
5444311324323330
621551501414312
72125105406651
oct342574657644
986487121708
1030433042340
11119a7728168
125a93b6a398
132b4000537c
141689b70c28
15bd1b67ae5
hex715f35fa4

30433042340 has 12 divisors (see below), whose sum is σ = 63909388956. Its totient is φ = 12173216928.

The previous prime is 30433042259. The next prime is 30433042357. The reversal of 30433042340 is 4324033403.

It can be written as a sum of positive squares in 2 ways, for example, as 21395497984 + 9037544356 = 146272^2 + 95066^2 .

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, 760826039 + ... + 760826078.

It is an arithmetic number, because the mean of its divisors is an integer number (5325782413).

Almost surely, 230433042340 is an apocalyptic number.

It is an amenable number.

30433042340 is an abundant number, since it is smaller than the sum of its proper divisors (33476346616).

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

30433042340 is a wasteful number, since it uses less digits than its factorization.

30433042340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521652126 (or 1521652124 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 30433042340 its reverse (4324033403), we get a palindrome (34757075743).

The spelling of 30433042340 in words is "thirty billion, four hundred thirty-three million, forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1521652117 3043304234 6086608468 7608260585 15216521170 30433042340