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54485025686 = 27131997149909
BaseRepresentation
bin110010101111100011…
…111000001110010110
312012122011012002020022
4302233203320032112
51343041131310221
641010255105142
73636122035250
oct625743701626
9165564162208
1054485025686
112111a416253
12a686b121b2
1351a4002790
1428cc25ccd0
15163d4c64ab
hexcaf8f8396

54485025686 has 32 divisors (see below), whose sum is σ = 100638780480. Its totient is φ = 21543578496.

The previous prime is 54485025659. The next prime is 54485025691. The reversal of 54485025686 is 68652058445.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288500 + ... + 438408.

It is an arithmetic number, because the mean of its divisors is an integer number (3144961890).

Almost surely, 254485025686 is an apocalyptic number.

54485025686 is a deficient number, since it is larger than the sum of its proper divisors (46153754794).

54485025686 is a wasteful number, since it uses less digits than its factorization.

54485025686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151928.

The product of its (nonzero) digits is 9216000, while the sum is 53.

The spelling of 54485025686 in words is "fifty-four billion, four hundred eighty-five million, twenty-five thousand, six hundred eighty-six".

Divisors: 1 2 7 13 14 26 91 182 1997 3994 13979 25961 27958 51922 149909 181727 299818 363454 1049363 1948817 2098726 3897634 13641719 27283438 299368273 598736546 2095577911 3891787549 4191155822 7783575098 27242512843 54485025686