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30530252752805 = 513469696196197
BaseRepresentation
bin1101111000100011000001…
…10111101100011110100101
311000002122220210210112202202
412330101200313230132211
513000201424201042210
6144533223211544245
76300511060413221
oct674214067543645
9130078823715682
1030530252752805
1198008978364a3
123510b73a5b085
131405cb5119790
1477795a40d781
1537e2668109a5
hex1bc460dec7a5

30530252752805 has 8 divisors (see below), whose sum is σ = 39454480480632. Its totient is φ = 22545417417408.

The previous prime is 30530252752789. The next prime is 30530252752819. The reversal of 30530252752805 is 50825725203503.

It can be written as a sum of positive squares in 4 ways, for example, as 3760318235716 + 26769934517089 = 1939154^2 + 5173967^2 .

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 30530252752805 - 24 = 30530252752789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30530252752805.

It is a congruent 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, 234848098034 + ... + 234848098163.

It is an arithmetic number, because the mean of its divisors is an integer number (4931810060079).

Almost surely, 230530252752805 is an apocalyptic number.

It is an amenable number.

30530252752805 is a deficient number, since it is larger than the sum of its proper divisors (8924227727827).

30530252752805 is a wasteful number, since it uses less digits than its factorization.

30530252752805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469696196215.

The product of its (nonzero) digits is 2520000, while the sum is 47.

The spelling of 30530252752805 in words is "thirty trillion, five hundred thirty billion, two hundred fifty-two million, seven hundred fifty-two thousand, eight hundred five".

Divisors: 1 5 13 65 469696196197 2348480980985 6106050550561 30530252752805