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530533620221 = 111710128089883
BaseRepresentation
bin1111011100001100100…
…01001001100111111101
31212201101210121022221112
413232012101021213331
532143013101321341
61043420200411405
753221055236313
oct7560621114775
91781353538845
10530533620221
11194aa8441280
12869a2776b65
133b04bc39987
141b96c4960b3
15dc01516aeb
hex7b864499fd

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".

Divisors: 1 11 17 101 187 1111 1717 18887 28089883 308988713 477528011 2837078183 5252808121 31207860013 48230329111 530533620221