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54253610860 = 2253138666711
BaseRepresentation
bin110010100001110001…
…000110011101101100
312012001000201222202211
4302201301012131230
51342102411021420
640531311100204
73630312040411
oct624161063554
9165030658684
1054253610860
1121010826929
12a621511664
135168099527
1428a9620108
151628013e5a
hexca1c4676c

54253610860 has 24 divisors (see below), whose sum is σ = 114296597856. Its totient is φ = 21632108160.

The previous prime is 54253610813. The next prime is 54253610869. The reversal of 54253610860 is 6801635245.

It is not an unprimeable number, because it can be changed into a prime (54253610869) 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, 4327096 + ... + 4339615.

It is an arithmetic number, because the mean of its divisors is an integer number (4762358244).

Almost surely, 254253610860 is an apocalyptic number.

It is an amenable number.

54253610860 is an abundant number, since it is smaller than the sum of its proper divisors (60042986996).

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

54253610860 is a wasteful number, since it uses less digits than its factorization.

54253610860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667033 (or 8667031 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 54253610860 in words is "fifty-four billion, two hundred fifty-three million, six hundred ten thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 313 626 1252 1565 3130 6260 8666711 17333422 34666844 43333555 86667110 173334220 2712680543 5425361086 10850722172 13563402715 27126805430 54253610860