Base | Representation |
---|---|
bin | 101101100111010… |
… | …0000100101101011 |
3 | 10221122221222200001 |
4 | 1123032200211223 |
5 | 11113303431110 |
6 | 411512323431 |
7 | 52633202020 |
oct | 13316404553 |
9 | 3848858601 |
10 | 1530530155 |
11 | 715a42a60 |
12 | 3686a3577 |
13 | 1b512165b |
14 | 1073ad547 |
15 | 8e57a63a |
hex | 5b3a096b |
1530530155 has 32 divisors (see below), whose sum is σ = 2292526080. Its totient is φ = 952974720.
The previous prime is 1530530153. The next prime is 1530530159. The reversal of 1530530155 is 5510350351.
It is not a de Polignac number, because 1530530155 - 21 = 1530530153 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1530530153) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428266 + ... + 431824.
It is an arithmetic number, because the mean of its divisors is an integer number (71641440).
Almost surely, 21530530155 is an apocalyptic number.
1530530155 is a deficient number, since it is larger than the sum of its proper divisors (761995925).
1530530155 is a wasteful number, since it uses less digits than its factorization.
1530530155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4699.
The product of its (nonzero) digits is 5625, while the sum is 28.
The square root of 1530530155 is about 39121.9906829906. The cubic root of 1530530155 is about 1152.4284297652.
The spelling of 1530530155 in words is "one billion, five hundred thirty million, five hundred thirty thousand, one hundred fifty-five".
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