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54145323618673 = 7193782799132887
BaseRepresentation
bin11000100111110101100001…
…10001111101000101110001
321002201020112200212200202011
430103322300301331011301
524044104110321244143
6311054003540522521
714255604411000550
oct1423726061750561
9232636480780664
1054145323618673
11162859a2687351
1260a58873b0441
132429b60cb9601
14d5290d1d7d97
1563d69ddb9e9d
hex313eb0c7d171

54145323618673 has 32 divisors (see below), whose sum is σ = 66899008512000. Its totient is φ = 42778478268864.

The previous prime is 54145323618667. The next prime is 54145323618677. The reversal of 54145323618673 is 37681632354145.

It is not a de Polignac number, because 54145323618673 - 229 = 54144786747761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54145323618677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407387436 + ... + 407520322.

It is an arithmetic number, because the mean of its divisors is an integer number (2090594016000).

Almost surely, 254145323618673 is an apocalyptic number.

It is an amenable number.

54145323618673 is a deficient number, since it is larger than the sum of its proper divisors (12753684893327).

54145323618673 is a wasteful number, since it uses less digits than its factorization.

54145323618673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215749.

The product of its digits is 43545600, while the sum is 58.

The spelling of 54145323618673 in words is "fifty-four trillion, one hundred forty-five billion, three hundred twenty-three million, six hundred eighteen thousand, six hundred seventy-three".

Divisors: 1 7 19 37 133 259 703 4921 82799 132887 579593 930209 1573181 2524853 3063563 4916819 11012267 17673971 21444941 34417733 58207697 93419561 407453879 653936927 11002910713 77020374991 209055303547 407107696381 1463387124829 2849753874667 7735046231239 54145323618673