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54139001442241 = 192271214292
BaseRepresentation
bin11000100111101001101111…
…11100110000111111000001
321002200122020002120212002111
430103310313330300333001
524044003133332122431
6311051040334415321
714255261632250362
oct1423646774607701
9232618202525074
1054139001442241
1116283248a05651
1260a4602061541
132429394259b01
14d524ad6c1b69
1563d42dd427b1
hex313d37f30fc1

54139001442241 has 27 divisors (see below), whose sum is σ = 57390173950563. Its totient is φ = 51064560373680.

The previous prime is 54139001442223. The next prime is 54139001442257. The reversal of 54139001442241 is 14224410093145.

It is a happy number.

The square root of 54139001442241 is 7357921.

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

It can be written as a sum of positive squares in only one way, i.e., 3649165857841 + 50489835584400 = 1910279^2 + 7105620^2 .

It is not a de Polignac number, because 54139001442241 - 217 = 54139001311169 is a prime.

It is a super-3 number, since 3×541390014422413 (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54139001442194 and 54139001442203.

It is not an unprimeable number, because it can be changed into a prime (54139001442541) 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, 37885934515 + ... + 37885935943.

It is an arithmetic number, because the mean of its divisors is an integer number (2125561998169).

Almost surely, 254139001442241 is an apocalyptic number.

54139001442241 is the 7357921-st square number.

54139001442241 is the 3678961-st centered octagonal number.

It is an amenable number.

54139001442241 is a deficient number, since it is larger than the sum of its proper divisors (3251172508322).

54139001442241 is an frugal number, since it uses more digits than its factorization.

54139001442241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438 (or 1719 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 54139001442241 in words is "fifty-four trillion, one hundred thirty-nine billion, one million, four hundred forty-two thousand, two hundred forty-one".

Divisors: 1 19 271 361 1429 5149 27151 73441 97831 387259 515869 1395379 2042041 7357921 26512201 38798779 104947189 139800499 553393111 737176801 1993996591 10514469109 37885935229 149969533081 199774913071 2849421128539 54139001442241