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53752439090464 = 2517977101135753
BaseRepresentation
bin11000011100011001101110…
…00010011010110100100000
321001022200102220022202001121
430032030313002122310200
524021134443401343324
6310153310221542024
714215325356420342
oct1416146702326440
9231280386282047
1053752439090464
11161443105a8254
1260416bb114914
1323cbaaa88400a
14d3b8bc04d292
15633356ee95e4
hex30e33709ad20

53752439090464 has 48 divisors (see below), whose sum is σ = 112164810245208. Its totient is φ = 25269374451712.

The previous prime is 53752439090461. The next prime is 53752439090477. The reversal of 53752439090464 is 46409093425735.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47445811400464 + 6306627690000 = 6888092^2 + 2511300^2 .

It is not an unprimeable number, because it can be changed into a prime (53752439090461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50036389 + ... + 51099364.

Almost surely, 253752439090464 is an apocalyptic number.

It is an amenable number.

53752439090464 is an abundant number, since it is smaller than the sum of its proper divisors (58412371154744).

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

53752439090464 is a wasteful number, since it uses less digits than its factorization.

53752439090464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101136757 (or 101136749 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 61.

The spelling of 53752439090464 in words is "fifty-three trillion, seven hundred fifty-two billion, four hundred thirty-nine million, ninety thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 544 977 1954 3908 7816 15632 16609 31264 33218 66436 132872 265744 531488 101135753 202271506 404543012 809086024 1618172048 1719307801 3236344096 3438615602 6877231204 13754462408 27508924816 55017849632 98809630681 197619261362 395238522724 790477045448 1580954090896 1679763721577 3161908181792 3359527443154 6719054886308 13438109772616 26876219545232 53752439090464