Base | Representation |
---|---|
bin | 1111011011101001110… |
… | …10101100010111100001 |
3 | 1212200122111211221021001 |
4 | 13231310322230113201 |
5 | 32141414041124140 |
6 | 1043331241232001 |
7 | 53210622026233 |
oct | 7556472542741 |
9 | 1780574757231 |
10 | 530242520545 |
11 | 194969096831 |
12 | 86921192601 |
13 | 3b00383704a |
14 | 1b94195c253 |
15 | dbd5bb4e9a |
hex | 7b74eac5e1 |
530242520545 has 8 divisors (see below), whose sum is σ = 636548334696. Its totient is φ = 424022476416.
The previous prime is 530242520543. The next prime is 530242520581. The reversal of 530242520545 is 545025242035.
It can be written as a sum of positive squares in 4 ways, for example, as 89760759201 + 440481761344 = 299601^2 + 663688^2 .
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 530242520545 - 21 = 530242520543 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (530242520543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21428902 + ... + 21453631.
It is an arithmetic number, because the mean of its divisors is an integer number (79568541837).
Almost surely, 2530242520545 is an apocalyptic number.
It is an amenable number.
530242520545 is a deficient number, since it is larger than the sum of its proper divisors (106305814151).
530242520545 is a wasteful number, since it uses less digits than its factorization.
530242520545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42885011.
The product of its (nonzero) digits is 240000, while the sum is 37.
The spelling of 530242520545 in words is "five hundred thirty billion, two hundred forty-two million, five hundred twenty thousand, five hundred forty-five".
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