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50251868160641 = 721025548329809
BaseRepresentation
bin10110110110100001011001…
…10000000100001010000001
320120221000212002112111212222
423123100230300010022001
523041311311222120031
6254513220050100425
713404402065441300
oct1333205460041201
9216830762474788
1050251868160641
1115014774571054
125777194b7a715
132206966848464
14c5a2bc196437
155c2276997e7b
hex2db42cc04281

50251868160641 has 6 divisors (see below), whose sum is σ = 58456254799170. Its totient is φ = 43073029851936.

The previous prime is 50251868160589. The next prime is 50251868160691. The reversal of 50251868160641 is 14606186815205.

It can be written as a sum of positive squares in only one way, i.e., 35902386259600 + 14349481901041 = 5991860^2 + 3788071^2 .

It is not a de Polignac number, because 50251868160641 - 218 = 50251867898497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50251868160691) 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 5 ways as a sum of consecutive naturals, for example, 512774164856 + ... + 512774164953.

It is an arithmetic number, because the mean of its divisors is an integer number (9742709133195).

Almost surely, 250251868160641 is an apocalyptic number.

It is an amenable number.

50251868160641 is a deficient number, since it is larger than the sum of its proper divisors (8204386638529).

50251868160641 is a wasteful number, since it uses less digits than its factorization.

50251868160641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025548329823 (or 1025548329816 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 50251868160641 in words is "fifty trillion, two hundred fifty-one billion, eight hundred sixty-eight million, one hundred sixty thousand, six hundred forty-one".

Divisors: 1 7 49 1025548329809 7178838308663 50251868160641