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54510142103 = 631400721559
BaseRepresentation
bin110010110001000011…
…101100001010010111
312012200220110010110222
4302301003230022113
51343114044021403
641012553304555
73636545364044
oct626103541227
9165626403428
1054510142103
112113261061a
12a69340515b
1351a9287971
1428d171a1cb
1516407d8338
hexcb10ec297

54510142103 has 8 divisors (see below), whose sum is σ = 54612687360. Its totient is φ = 54407649240.

The previous prime is 54510142097. The next prime is 54510142129. The reversal of 54510142103 is 30124101545.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54510142103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54510144103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2517638 + ... + 2539196.

It is an arithmetic number, because the mean of its divisors is an integer number (6826585920).

Almost surely, 254510142103 is an apocalyptic number.

54510142103 is a deficient number, since it is larger than the sum of its proper divisors (102545257).

54510142103 is a wasteful number, since it uses less digits than its factorization.

54510142103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26197.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 54510142103 its reverse (30124101545), we get a palindrome (84634243648).

The spelling of 54510142103 in words is "fifty-four billion, five hundred ten million, one hundred forty-two thousand, one hundred three".

Divisors: 1 631 4007 21559 2528417 13603729 86386913 54510142103