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30402325442 = 2163123775391
BaseRepresentation
bin11100010100000111…
…101010101111000010
32220110210100011010102
4130110013222233002
5444230443403232
621544443202402
72124253334216
oct342407525702
986423304112
1030402325442
11119913580a5
125a85816402
132b3683bca8
141685a56946
15bce0eb662
hex7141eabc2

30402325442 has 16 divisors (see below), whose sum is σ = 45920965632. Its totient is φ = 15095490480.

The previous prime is 30402325441. The next prime is 30402325463. The reversal of 30402325442 is 24452320403.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30402325441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365567 + ... + 440957.

It is an arithmetic number, because the mean of its divisors is an integer number (2870060352).

Almost surely, 230402325442 is an apocalyptic number.

30402325442 is a deficient number, since it is larger than the sum of its proper divisors (15518640190).

30402325442 is a wasteful number, since it uses less digits than its factorization.

30402325442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76793.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 30402325442 its reverse (24452320403), we get a palindrome (54854645845).

The spelling of 30402325442 in words is "thirty billion, four hundred two million, three hundred twenty-five thousand, four hundred forty-two".

Divisors: 1 2 163 326 1237 2474 75391 150782 201631 403262 12288733 24577466 93258667 186517334 15201162721 30402325442