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50605105561 = 678326933829
BaseRepresentation
bin101111001000010011…
…001010000110011001
311211121202102201101221
4233020103022012121
51312114401334221
635125255012041
73441020204623
oct571023120631
9154552381357
1050605105561
111a50929889a
12998366a021
134a0623545a
142640c45c13
1514b2a70541
hexbc84ca199

50605105561 has 16 divisors (see below), whose sum is σ = 52173979200. Its totient is φ = 49064672448.

The previous prime is 50605105559. The next prime is 50605105567. The reversal of 50605105561 is 16550150605.

It is not a de Polignac number, because 50605105561 - 21 = 50605105559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50605105567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1478995 + ... + 1512823.

It is an arithmetic number, because the mean of its divisors is an integer number (3260873700).

Almost surely, 250605105561 is an apocalyptic number.

It is an amenable number.

50605105561 is a deficient number, since it is larger than the sum of its proper divisors (1568873639).

50605105561 is a wasteful number, since it uses less digits than its factorization.

50605105561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34248.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 50605105561 in words is "fifty billion, six hundred five million, one hundred five thousand, five hundred sixty-one".

Divisors: 1 67 83 269 5561 18023 22327 33829 1495909 2266543 2807807 9100001 188123069 609700067 755300083 50605105561