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30342045403 = 125441241883
BaseRepresentation
bin11100010000100001…
…101101111011011011
32220022120220121110101
4130100201231323123
5444120030423103
621534451200231
72122622062525
oct342041557333
986276817411
1030342045403
111196032588a
125a695a6077
132b271c4727
14167ba44a15
15bc8b90a1d
hex71086dedb

30342045403 has 4 divisors (see below), whose sum is σ = 30342412728. Its totient is φ = 30341678080.

The previous prime is 30342045373. The next prime is 30342045413. The reversal of 30342045403 is 30454024303.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30454024303 = 63148263113.

It is a cyclic number.

It is not a de Polignac number, because 30342045403 - 233 = 21752110811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30342045413) 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, 4500 + ... + 246382.

It is an arithmetic number, because the mean of its divisors is an integer number (7585603182).

Almost surely, 230342045403 is an apocalyptic number.

30342045403 is a deficient number, since it is larger than the sum of its proper divisors (367325).

30342045403 is a wasteful number, since it uses less digits than its factorization.

30342045403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367324.

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 30342045403 its reverse (30454024303), we get a palindrome (60796069706).

The spelling of 30342045403 in words is "thirty billion, three hundred forty-two million, forty-five thousand, four hundred three".

Divisors: 1 125441 241883 30342045403