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30306752705 = 57617964981
BaseRepresentation
bin11100001110011011…
…000101100011000001
32220020010111112222102
4130032123011203001
5444032012041310
621531150520145
72122013101415
oct341633054301
986203445872
1030306752705
111194240a969
125a59806055
132b1cab8688
141677098d45
15bc5a1d8a5
hex70e6c58c1

30306752705 has 8 divisors (see below), whose sum is σ = 36415897704. Its totient is φ = 24213539200.

The previous prime is 30306752683. The next prime is 30306752711. The reversal of 30306752705 is 50725760303.

It can be written as a sum of positive squares in 4 ways, for example, as 203461696 + 30103291009 = 14264^2 + 173503^2 .

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

It is not a de Polignac number, because 30306752705 - 212 = 30306748609 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3978686 + ... + 3986295.

It is an arithmetic number, because the mean of its divisors is an integer number (4551987213).

Almost surely, 230306752705 is an apocalyptic number.

It is an amenable number.

30306752705 is a deficient number, since it is larger than the sum of its proper divisors (6109144999).

30306752705 is an equidigital number, since it uses as much as digits as its factorization.

30306752705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7965747.

The product of its (nonzero) digits is 132300, while the sum is 38.

The spelling of 30306752705 in words is "thirty billion, three hundred six million, seven hundred fifty-two thousand, seven hundred five".

Divisors: 1 5 761 3805 7964981 39824905 6061350541 30306752705