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54065741349481 = 787293432
BaseRepresentation
bin11000100101100001010010…
…10011101100001001101001
321002102122010110210112200121
430102300221103230021221
524041303114241140411
6310553243024403241
714250056320606201
oct1422605123541151
9232378113715617
1054065741349481
1116255174556644
126092377476521
1324224ba5936b4
14d4cb1db1b401
1563b592413571
hex312c294ec269

54065741349481 has 9 divisors (see below), whose sum is σ = 54140321915901. Its totient is φ = 53991263410092.

The previous prime is 54065741349479. The next prime is 54065741349509. The reversal of 54065741349481 is 18494314756045.

The square root of 54065741349481 is 7352941.

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

It is not a de Polignac number, because 54065741349481 - 21 = 54065741349479 is a prime.

It is a super-2 number, since 2×540657413494812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54065741349461) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5786759896 + ... + 5786769238.

It is an arithmetic number, because the mean of its divisors is an integer number (6015591323989).

Almost surely, 254065741349481 is an apocalyptic number.

54065741349481 is the 7352941-st square number.

54065741349481 is the 3676471-st centered octagonal number.

It is an amenable number.

54065741349481 is a deficient number, since it is larger than the sum of its proper divisors (74580566420).

54065741349481 is an frugal number, since it uses more digits than its factorization.

54065741349481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20260 (or 10130 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 54065741349481 in words is "fifty-four trillion, sixty-five billion, seven hundred forty-one million, three hundred forty-nine thousand, four hundred eighty-one".

Divisors: 1 787 9343 619369 7352941 87291649 5786764567 68698527763 54065741349481