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30730672547 = 349550316001
BaseRepresentation
bin11100100111101100…
…001101100110100011
32221022200011220200022
4130213230031212203
51000414023010142
622041212544055
72135351256341
oct344754154643
987280156608
1030730672547
111203a733143
125b5778202b
132b89883613
1416b74c8991
15becd596d2
hex727b0d9a3

30730672547 has 8 divisors (see below), whose sum is σ = 30826252800. Its totient is φ = 30635136000.

The previous prime is 30730672519. The next prime is 30730672549. The reversal of 30730672547 is 74527603703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30730672547 - 214 = 30730656163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30730672498 and 30730672507.

It is not an unprimeable number, because it can be changed into a prime (30730672549) 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, 1912547 + ... + 1928547.

It is an arithmetic number, because the mean of its divisors is an integer number (3853281600).

Almost surely, 230730672547 is an apocalyptic number.

30730672547 is a deficient number, since it is larger than the sum of its proper divisors (95580253).

30730672547 is a wasteful number, since it uses less digits than its factorization.

30730672547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21853.

The product of its (nonzero) digits is 740880, while the sum is 44.

The spelling of 30730672547 in words is "thirty billion, seven hundred thirty million, six hundred seventy-two thousand, five hundred forty-seven".

Divisors: 1 349 5503 16001 1920547 5584349 88053503 30730672547