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51055111050055 = 572815191165333
BaseRepresentation
bin10111001101111001100011…
…10000100001001101000111
320200202211011110202002211221
423212330301300201031013
523142441331412100210
6300330221052541211
713516416150364360
oct1346746160411507
9220684143662757
1051055111050055
11152a4395202642
1258869a5481807
1322646265cc3b8
14c8711b0acb67
155d80d980b1da
hex2e6f31c21347

51055111050055 has 16 divisors (see below), whose sum is σ = 70267613961024. Its totient is φ = 34884631031040.

The previous prime is 51055111050019. The next prime is 51055111050059. The reversal of 51055111050055 is 55005011155015.

51055111050055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51055111050055 - 219 = 51055110525767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51055111050055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51055111050059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2595572832 + ... + 2595592501.

It is an arithmetic number, because the mean of its divisors is an integer number (4391725872564).

Almost surely, 251055111050055 is an apocalyptic number.

51055111050055 is a deficient number, since it is larger than the sum of its proper divisors (19212502910969).

51055111050055 is a wasteful number, since it uses less digits than its factorization.

51055111050055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5191165626.

The product of its (nonzero) digits is 15625, while the sum is 34.

The spelling of 51055111050055 in words is "fifty-one trillion, fifty-five billion, one hundred eleven million, fifty thousand, fifty-five".

Divisors: 1 5 7 35 281 1405 1967 9835 5191165333 25955826665 36338157331 181690786655 1458717458573 7293587292865 10211022210011 51055111050055