Base | Representation |
---|---|
bin | 1111011100001100100… |
… | …01001001100111111101 |
3 | 1212201101210121022221112 |
4 | 13232012101021213331 |
5 | 32143013101321341 |
6 | 1043420200411405 |
7 | 53221055236313 |
oct | 7560621114775 |
9 | 1781353538845 |
10 | 530533620221 |
11 | 194aa8441280 |
12 | 869a2776b65 |
13 | 3b04bc39987 |
14 | 1b96c4960b3 |
15 | dc01516aeb |
hex | 7b864499fd |
530533620221 has 16 divisors (see below), whose sum is σ = 618876324288. Its totient is φ = 449438112000.
The previous prime is 530533620137. The next prime is 530533620259. The reversal of 530533620221 is 122026335035.
It is not a de Polignac number, because 530533620221 - 230 = 529459878397 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (530533625221) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14026055 + ... + 14063828.
It is an arithmetic number, because the mean of its divisors is an integer number (38679770268).
Almost surely, 2530533620221 is an apocalyptic number.
It is an amenable number.
530533620221 is a deficient number, since it is larger than the sum of its proper divisors (88342704067).
530533620221 is a wasteful number, since it uses less digits than its factorization.
530533620221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28090012.
The product of its (nonzero) digits is 32400, while the sum is 32.
Adding to 530533620221 its reverse (122026335035), we get a palindrome (652559955256).
The spelling of 530533620221 in words is "five hundred thirty billion, five hundred thirty-three million, six hundred twenty thousand, two hundred twenty-one".
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