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530211353021 = 71627283316433
BaseRepresentation
bin1111011011100110000…
…11110011000110111101
31212200120100012110110022
413231303003303012331
532141333101244041
61043324205221525
753210063065640
oct7556303630675
91780510173408
10530211353021
11194952539149
12869128618a5
133acca24381c
141b93b767a57
15dbd30aa24b
hex7b730f31bd

530211353021 has 16 divisors (see below), whose sum is σ = 606579202944. Its totient is φ = 453999596544.

The previous prime is 530211353011. The next prime is 530211353033. The reversal of 530211353021 is 120353112035.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-530211353021 is a prime.

It is a super-2 number, since 2×5302113530212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530211353011) 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, 32256821 + ... + 32273253.

It is an arithmetic number, because the mean of its divisors is an integer number (37911200184).

Almost surely, 2530211353021 is an apocalyptic number.

It is an amenable number.

530211353021 is a deficient number, since it is larger than the sum of its proper divisors (76367849923).

530211353021 is a wasteful number, since it uses less digits than its factorization.

530211353021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20900.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 530211353021 its reverse (120353112035), we get a palindrome (650564465056).

The spelling of 530211353021 in words is "five hundred thirty billion, two hundred eleven million, three hundred fifty-three thousand, twenty-one".

Divisors: 1 7 1627 2833 11389 16433 19831 115031 4609291 26736491 32265037 46554689 187155437 325882823 75744479003 530211353021