Base | Representation |
---|---|
bin | 1111011011101010011… |
… | …01111100110101111001 |
3 | 1212200122212100102010000 |
4 | 13231311031330311321 |
5 | 32141421334200021 |
6 | 1043331541343213 |
7 | 53211012653121 |
oct | 7556515746571 |
9 | 1780585312100 |
10 | 530247568761 |
11 | 194970a24609 |
12 | 86922a07b09 |
13 | 3b0048b3a61 |
14 | 1b9424b3c81 |
15 | dbd6360b26 |
hex | 7b7537cd79 |
530247568761 has 15 divisors (see below), whose sum is σ = 792108010111. Its totient is φ = 353494010088.
The previous prime is 530247568759. The next prime is 530247568817. The reversal of 530247568761 is 167865742035.
The square root of 530247568761 is 728181.
It is a perfect power (a square), and thus also a powerful number.
530247568761 is a `hidden beast` number, since 5 + 3 + 0 + 2 + 4 + 7 + 568 + 76 + 1 = 666.
It can be written as a sum of positive squares in only one way, i.e., 179759888361 + 350487680400 = 423981^2 + 592020^2 .
It is not a de Polignac number, because 530247568761 - 21 = 530247568759 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 530247568698 and 530247568707.
It is not an unprimeable number, because it can be changed into a prime (530247568861) by changing a digit.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 6513175 + ... + 6594083.
Almost surely, 2530247568761 is an apocalyptic number.
530247568761 is the 728181-st square number.
530247568761 is the 364091-st centered octagonal number.
It is an amenable number.
530247568761 is a deficient number, since it is larger than the sum of its proper divisors (261860441350).
530247568761 is an frugal number, since it uses more digits than its factorization.
530247568761 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 161830 (or 80912 counting only the distinct ones).
The product of its (nonzero) digits is 8467200, while the sum is 54.
The spelling of 530247568761 in words is "five hundred thirty billion, two hundred forty-seven million, five hundred sixty-eight thousand, seven hundred sixty-one".
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