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54134431065 = 32511138412499
BaseRepresentation
bin110010011010101010…
…011101110101011001
312011201201111000211100
4302122222131311121
51341331403243230
640511412422013
73624334033431
oct623252356531
9164651430740
1054134431065
1120a5a525330
12a5a9617909
13514949ba40
1428978792c1
15161c821660
hexc9aa9dd59

54134431065 has 48 divisors (see below), whose sum is σ = 110237400000. Its totient is φ = 24227994240.

The previous prime is 54134431037. The next prime is 54134431073. The reversal of 54134431065 is 56013443145.

54134431065 is a `hidden beast` number, since 541 + 3 + 4 + 4 + 3 + 106 + 5 = 666.

It is not a de Polignac number, because 54134431065 - 216 = 54134365529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4199815 + ... + 4212684.

It is an arithmetic number, because the mean of its divisors is an integer number (2296612500).

Almost surely, 254134431065 is an apocalyptic number.

54134431065 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54134431065 is an abundant number, since it is smaller than the sum of its proper divisors (56102968935).

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

54134431065 is a wasteful number, since it uses less digits than its factorization.

54134431065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412534 (or 8412531 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 54134431065 in words is "fifty-four billion, one hundred thirty-four million, four hundred thirty-one thousand, sixty-five".

Divisors: 1 3 5 9 11 13 15 33 39 45 55 65 99 117 143 165 195 429 495 585 715 1287 2145 6435 8412499 25237497 42062495 75712491 92537489 109362487 126187485 277612467 328087461 378562455 462687445 546812435 832837401 984262383 1202987357 1388062335 1640437305 3608962071 4164187005 4921311915 6014936785 10826886213 18044810355 54134431065