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530665356731 is a prime number
BaseRepresentation
bin1111011100011100001…
…11101011110110111011
31212201201222111020110112
413232032013223312323
532143300312403411
61043441224134535
753224245051626
oct7561607536673
91781658436415
10530665356731
11195065839924
1286a1a90744b
133b070312983
141b981b88dbd
15dc0cd89b8b
hex7b8e1ebdbb

530665356731 has 2 divisors, whose sum is σ = 530665356732. Its totient is φ = 530665356730.

The previous prime is 530665356719. The next prime is 530665356751. The reversal of 530665356731 is 137653566035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530665356731 - 214 = 530665340347 is a prime.

It is a super-2 number, since 2×5306653567312 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 530665356731.

It is not a weakly prime, because it can be changed into another prime (530665356751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265332678365 + 265332678366.

It is an arithmetic number, because the mean of its divisors is an integer number (265332678366).

Almost surely, 2530665356731 is an apocalyptic number.

530665356731 is a deficient number, since it is larger than the sum of its proper divisors (1).

530665356731 is an equidigital number, since it uses as much as digits as its factorization.

530665356731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103000, while the sum is 50.

The spelling of 530665356731 in words is "five hundred thirty billion, six hundred sixty-five million, three hundred fifty-six thousand, seven hundred thirty-one".