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56783443759441 = 72421225572
BaseRepresentation
bin11001110100100111011001…
…11111101001000101010001
321110001102222211100101121221
430322103230333221011101
524420314443100300231
6320433542015045041
714650316446131400
oct1472235477510521
9243042884311557
1056783443759441
11171027a572a6a3
126451018510781
13258b86a95c399
141004494995637
1568710366bd11
hex33a4ecfe9151

56783443759441 has 27 divisors (see below), whose sum is σ = 66237385460337. Its totient is φ = 48536924496480.

The previous prime is 56783443759429. The next prime is 56783443759463. The reversal of 56783443759441 is 14495734438765.

The square root of 56783443759441 is 7535479.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 28516187403025 + 28267256356416 = 5340055^2 + 5316696^2 .

It is not a de Polignac number, because 56783443759441 - 221 = 56783441662289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56783443759541) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 22207055335 + ... + 22207057891.

It is an arithmetic number, because the mean of its divisors is an integer number (2453236498531).

Almost surely, 256783443759441 is an apocalyptic number.

56783443759441 is the 7535479-th square number.

56783443759441 is the 3767740-th centered octagonal number.

It is an amenable number.

56783443759441 is a deficient number, since it is larger than the sum of its proper divisors (9453941700896).

56783443759441 is an frugal number, since it uses more digits than its factorization.

56783443759441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970 (or 2985 counting only the distinct ones).

The product of its digits is 1219276800, while the sum is 70.

The spelling of 56783443759441 in words is "fifty-six trillion, seven hundred eighty-three billion, four hundred forty-three million, seven hundred fifty-nine thousand, four hundred forty-one".

Divisors: 1 7 49 421 2557 2947 17899 20629 125293 177241 1076497 1240687 6538249 7535479 8684809 45767743 52748353 320374201 453205237 2752602829 3172436659 19268219803 22207056613 134877538621 1158845791009 8111920537063 56783443759441