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913809812353 is a prime number
BaseRepresentation
bin11010100110000110100…
…11110010101110000001
310020100200222101020101221
431103003103302232001
5104432440302443403
61535444243355041
7123010026150064
oct15230323625601
93210628336357
10913809812353
113225a98a8259
12129129082a81
1368230867cc9
143232b5128db
1518b84ae2dbd
hexd4c34f2b81

913809812353 has 2 divisors, whose sum is σ = 913809812354. Its totient is φ = 913809812352.

The previous prime is 913809812351. The next prime is 913809812359. The reversal of 913809812353 is 353218908319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 844518726529 + 69291085824 = 918977^2 + 263232^2 .

It is a cyclic number.

It is not a de Polignac number, because 913809812353 - 21 = 913809812351 is a prime.

Together with 913809812351, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 913809812353.

It is not a weakly prime, because it can be changed into another prime (913809812351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456904906176 + 456904906177.

It is an arithmetic number, because the mean of its divisors is an integer number (456904906177).

Almost surely, 2913809812353 is an apocalyptic number.

It is an amenable number.

913809812353 is a deficient number, since it is larger than the sum of its proper divisors (1).

913809812353 is an equidigital number, since it uses as much as digits as its factorization.

913809812353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 913809812353 in words is "nine hundred thirteen billion, eight hundred nine million, eight hundred twelve thousand, three hundred fifty-three".