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50552145153 = 3218661300997
BaseRepresentation
bin101111000101001001…
…001000010100000001
311211111001210001101100
4233011021020110001
51312012322121103
635120123525013
73436505100246
oct570511102401
9154431701340
1050552145153
111a491405964
129969989769
1349c8281733
142637bbb5cd
1514ad0ad5a3
hexbc5248501

50552145153 has 12 divisors (see below), whose sum is σ = 73023920788. Its totient is φ = 33699512160.

The previous prime is 50552145139. The next prime is 50552145157. The reversal of 50552145153 is 35154125505.

50552145153 is a `hidden beast` number, since 5 + 0 + 552 + 1 + 4 + 51 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1963641969 + 48588503184 = 44313^2 + 220428^2 .

It is not a de Polignac number, because 50552145153 - 26 = 50552145089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50552145157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17451 + ... + 318447.

Almost surely, 250552145153 is an apocalyptic number.

It is an amenable number.

50552145153 is a deficient number, since it is larger than the sum of its proper divisors (22471775635).

50552145153 is a wasteful number, since it uses less digits than its factorization.

50552145153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319664 (or 319661 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 50552145153 in words is "fifty billion, five hundred fifty-two million, one hundred forty-five thousand, one hundred fifty-three".

Divisors: 1 3 9 18661 55983 167949 300997 902991 2708973 5616905017 16850715051 50552145153