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30522513745 = 5172375120789
BaseRepresentation
bin11100011011010010…
…001001100101010001
32220210011111100111001
4130123102021211101
51000002230414440
622004415222001
72130243041353
oct343322114521
986704440431
1030522513745
1111a43188379
125ab9b17901
132b55700829
1416979c10d3
15bd993cb9a
hex71b489951

30522513745 has 32 divisors (see below), whose sum is σ = 40523535360. Its totient is φ = 21952128000.

The previous prime is 30522513731. The next prime is 30522513761. The reversal of 30522513745 is 54731522503.

It is a happy number.

It is not a de Polignac number, because 30522513745 - 25 = 30522513713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1457811 + ... + 1478599.

It is an arithmetic number, because the mean of its divisors is an integer number (1266360480).

Almost surely, 230522513745 is an apocalyptic number.

It is an amenable number.

30522513745 is a deficient number, since it is larger than the sum of its proper divisors (10001021615).

30522513745 is a wasteful number, since it uses less digits than its factorization.

30522513745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21585.

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 30522513745 in words is "thirty billion, five hundred twenty-two million, five hundred thirteen thousand, seven hundred forty-five".

Divisors: 1 5 17 23 85 115 391 751 1955 3755 12767 17273 20789 63835 86365 103945 293641 353413 478147 1468205 1767065 2390735 8128499 15612539 40642495 78062695 265413163 359088397 1327065815 1795441985 6104502749 30522513745