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50551105051 = 281179897171
BaseRepresentation
bin101111000101000101…
…001010011000011011
311211110222211012122001
4233011011022120123
51312012040330201
635120045341431
73436463206006
oct570505123033
9154428735561
1050551105051
111a490865477
129969567877
1349c7ca91a5
1426379ca53d
1514ace55301
hexbc514a61b

50551105051 has 4 divisors (see below), whose sum is σ = 50731002504. Its totient is φ = 50371207600.

The previous prime is 50551105039. The next prime is 50551105109. The reversal of 50551105051 is 15050115505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50551105051 - 211 = 50551103003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50551105951) 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 3 ways as a sum of consecutive naturals, for example, 89948305 + ... + 89948866.

It is an arithmetic number, because the mean of its divisors is an integer number (12682750626).

Almost surely, 250551105051 is an apocalyptic number.

50551105051 is a deficient number, since it is larger than the sum of its proper divisors (179897453).

50551105051 is a wasteful number, since it uses less digits than its factorization.

50551105051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179897452.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 50551105051 in words is "fifty billion, five hundred fifty-one million, one hundred five thousand, fifty-one".

Divisors: 1 281 179897171 50551105051