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54240012345140 = 2252712000617257
BaseRepresentation
bin11000101010100101111001…
…01010110001111100110100
321010001021221201102101102022
430111102330222301330310
524102132021130021030
6311205303452532312
714265466032616556
oct1425227452617464
9233037851371368
1054240012345140
1116312072a30a96
1261000b2481098
132435a7132323b
14d57332acb4d6
15640d91bb3de5
hex3154bcab1f34

54240012345140 has 12 divisors (see below), whose sum is σ = 113904025924836. Its totient is φ = 21696004938048.

The previous prime is 54240012345121. The next prime is 54240012345187. The reversal of 54240012345140 is 4154321004245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35990472630436 + 18249539714704 = 5999206^2 + 4271948^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54240012345140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1356000308609 + ... + 1356000308648.

It is an arithmetic number, because the mean of its divisors is an integer number (9492002160403).

Almost surely, 254240012345140 is an apocalyptic number.

It is an amenable number.

54240012345140 is an abundant number, since it is smaller than the sum of its proper divisors (59664013579696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54240012345140 is a wasteful number, since it uses less digits than its factorization.

54240012345140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712000617266 (or 2712000617264 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 54240012345140 its reverse (4154321004245), we get a palindrome (58394333349385).

The spelling of 54240012345140 in words is "fifty-four trillion, two hundred forty billion, twelve million, three hundred forty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2712000617257 5424001234514 10848002469028 13560003086285 27120006172570 54240012345140