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53107720853 = 1128358729063
BaseRepresentation
bin110001011101011101…
…111000001010010101
312002002011112202012012
4301131131320022111
51332231034031403
640221454434005
73560026115255
oct613535701225
9162064482165
1053107720853
1120582a187a0
12a361802905
13501486c0c5
1427db377965
1515ac615ed8
hexc5d778295

53107720853 has 16 divisors (see below), whose sum is σ = 58241465856. Its totient is φ = 48025536240.

The previous prime is 53107720817. The next prime is 53107720871. The reversal of 53107720853 is 35802770135.

It is not a de Polignac number, because 53107720853 - 220 = 53106672277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53107720853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53107723853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812800 + ... + 1841862.

It is an arithmetic number, because the mean of its divisors is an integer number (3640091616).

Almost surely, 253107720853 is an apocalyptic number.

It is an amenable number.

53107720853 is a deficient number, since it is larger than the sum of its proper divisors (5133745003).

53107720853 is a wasteful number, since it uses less digits than its factorization.

53107720853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29944.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 53107720853 in words is "fifty-three billion, one hundred seven million, seven hundred twenty thousand, eight hundred fifty-three".

Divisors: 1 11 283 587 3113 6457 29063 166121 319693 1827331 8224829 17059981 90473119 187659791 4827974623 53107720853