Base | Representation |
---|---|
bin | 1111011011101001111… |
… | …01110010010101011101 |
3 | 1212200122120101010120111 |
4 | 13231310331302111131 |
5 | 32141414243101141 |
6 | 1043331310450021 |
7 | 53210631644266 |
oct | 7556475622535 |
9 | 1780576333514 |
10 | 530243331421 |
11 | 19496959aa81 |
12 | 86921503911 |
13 | 3b003a5c15b |
14 | 1b941acd96d |
15 | dbd5cc5381 |
hex | 7b74f7255d |
530243331421 has 8 divisors (see below), whose sum is σ = 571764312000. Its totient is φ = 490083694560.
The previous prime is 530243331419. The next prime is 530243331437. The reversal of 530243331421 is 124133342035.
It is a happy number.
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 530243331421 - 21 = 530243331419 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530243311421) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340335121 + ... + 340336678.
It is an arithmetic number, because the mean of its divisors is an integer number (71470539000).
Almost surely, 2530243331421 is an apocalyptic number.
It is an amenable number.
530243331421 is a deficient number, since it is larger than the sum of its proper divisors (41520980579).
530243331421 is a wasteful number, since it uses less digits than its factorization.
530243331421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 680671859.
The product of its (nonzero) digits is 25920, while the sum is 31.
Adding to 530243331421 its reverse (124133342035), we get a palindrome (654376673456).
The spelling of 530243331421 in words is "five hundred thirty billion, two hundred forty-three million, three hundred thirty-one thousand, four hundred twenty-one".
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