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56831309866301 is a prime number
BaseRepresentation
bin11001110110000000100100…
…00010010110010100111101
321110020000112200212120011112
430323000102002112110331
524422111010311210201
6320511535431531405
714653632560255345
oct1473002202262475
9243200480776145
1056831309866301
11171210289151a3
12645a356829b65
1325932285a5239
141006915b35d25
156884a5a020bb
hex33b01209653d

56831309866301 has 2 divisors, whose sum is σ = 56831309866302. Its totient is φ = 56831309866300.

The previous prime is 56831309866291. The next prime is 56831309866381. The reversal of 56831309866301 is 10366890313865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49298288583076 + 7533021283225 = 7021274^2 + 2744635^2 .

It is a cyclic number.

It is not a de Polignac number, because 56831309866301 - 26 = 56831309866237 is a prime.

It is a super-2 number, since 2×568313098663012 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56831309866381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28415654933150 + 28415654933151.

It is an arithmetic number, because the mean of its divisors is an integer number (28415654933151).

Almost surely, 256831309866301 is an apocalyptic number.

It is an amenable number.

56831309866301 is a deficient number, since it is larger than the sum of its proper divisors (1).

56831309866301 is an equidigital number, since it uses as much as digits as its factorization.

56831309866301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 56831309866301 in words is "fifty-six trillion, eight hundred thirty-one billion, three hundred nine million, eight hundred sixty-six thousand, three hundred one".