Search a number
-
+
54000313515121 = 593135181673637
BaseRepresentation
bin11000100011100111011011…
…00000010011110001110001
321002012101020200210011222011
430101303231200103301301
524034220120224440441
6310503222423042521
714242252052313421
oct1421635540236161
9232171220704864
1054000313515121
111622a44a215266
1260817578a0441
13241929146bccc
14d498b4438481
15639a133e8581
hex311ced813c71

54000313515121 has 8 divisors (see below), whose sum is σ = 54091856876904. Its totient is φ = 53908771772160.

The previous prime is 54000313515013. The next prime is 54000313515131. The reversal of 54000313515121 is 12151531300045.

It can be written as a sum of positive squares in 4 ways, for example, as 15540657002896 + 38459656512225 = 3942164^2 + 6201585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54000313515121 - 211 = 54000313513073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54000313515131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79825515 + ... + 80499151.

It is an arithmetic number, because the mean of its divisors is an integer number (6761482109613).

Almost surely, 254000313515121 is an apocalyptic number.

It is an amenable number.

54000313515121 is a deficient number, since it is larger than the sum of its proper divisors (91543361783).

54000313515121 is a wasteful number, since it uses less digits than its factorization.

54000313515121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809411.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 54000313515121 its reverse (12151531300045), we get a palindrome (66151844815166).

The spelling of 54000313515121 in words is "fifty-four trillion, three hundred thirteen million, five hundred fifteen thousand, one hundred twenty-one".

Divisors: 1 593 135181 673637 80162333 399466741 91062923297 54000313515121