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54072409547 = 1373457124679
BaseRepresentation
bin110010010110111101…
…110111110111001011
312011120101210000022002
4302112331313313023
51341220014101142
640501315221215
73622651616612
oct622675676713
9164511700262
1054072409547
1120a28513682
12a5908a780b
135139694910
14288d532879
15161716ea32
hexc96f77dcb

54072409547 has 16 divisors (see below), whose sum is σ = 59159163840. Its totient is φ = 49121137152.

The previous prime is 54072409519. The next prime is 54072409561. The reversal of 54072409547 is 74590427045.

It is a cyclic number.

It is not a de Polignac number, because 54072409547 - 214 = 54072393163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54072409597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371354 + ... + 496032.

It is an arithmetic number, because the mean of its divisors is an integer number (3697447740).

Almost surely, 254072409547 is an apocalyptic number.

54072409547 is a deficient number, since it is larger than the sum of its proper divisors (5086754293).

54072409547 is a wasteful number, since it uses less digits than its factorization.

54072409547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125222.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 54072409547 in words is "fifty-four billion, seventy-two million, four hundred nine thousand, five hundred forty-seven".

Divisors: 1 13 73 457 949 5941 33361 124679 433693 1620827 9101567 56978303 118320371 740717939 4159416119 54072409547