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530115979409 is a prime number
BaseRepresentation
bin1111011011011010101…
…11111110100010010001
31212200022200201222110022
413231231113332202101
532141134142320114
61043310521113225
753204524322522
oct7555527764221
91780280658408
10530115979409
11194903717585
12868a6928815
133acb355ca33
141b92cc1c849
15dbc9a1b48e
hex7b6d5fe891

530115979409 has 2 divisors, whose sum is σ = 530115979410. Its totient is φ = 530115979408.

The previous prime is 530115979357. The next prime is 530115979427. The reversal of 530115979409 is 904979511035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281043118225 + 249072861184 = 530135^2 + 499072^2 .

It is a cyclic number.

It is not a de Polignac number, because 530115979409 - 212 = 530115975313 is a prime.

It is not a weakly prime, because it can be changed into another prime (530115979109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265057989704 + 265057989705.

It is an arithmetic number, because the mean of its divisors is an integer number (265057989705).

Almost surely, 2530115979409 is an apocalyptic number.

It is an amenable number.

530115979409 is a deficient number, since it is larger than the sum of its proper divisors (1).

530115979409 is an equidigital number, since it uses as much as digits as its factorization.

530115979409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1530900, while the sum is 53.

The spelling of 530115979409 in words is "five hundred thirty billion, one hundred fifteen million, nine hundred seventy-nine thousand, four hundred nine".