Base | Representation |
---|---|
bin | 11100011011010010… |
… | …001001100101010001 |
3 | 2220210011111100111001 |
4 | 130123102021211101 |
5 | 1000002230414440 |
6 | 22004415222001 |
7 | 2130243041353 |
oct | 343322114521 |
9 | 86704440431 |
10 | 30522513745 |
11 | 11a43188379 |
12 | 5ab9b17901 |
13 | 2b55700829 |
14 | 16979c10d3 |
15 | bd993cb9a |
hex | 71b489951 |
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".
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