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50838073729 = 192118672
BaseRepresentation
bin101111010110001011…
…110111000110000001
311212012222210201122121
4233112023313012001
51313104021324404
635204340204241
73446546332252
oct572613670601
9155188721577
1050838073729
111a618849273
129a29699681
134a42593741
142663b6ab29
1514c823ce54
hexbd62f7181

50838073729 has 9 divisors (see below), whose sum is σ = 53659109217. Its totient is φ = 48158327124.

The previous prime is 50838073723. The next prime is 50838073733. The reversal of 50838073729 is 92737083805.

The square root of 50838073729 is 225473.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 50838073729 - 211 = 50838071681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50838073723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4278054 + ... + 4289920.

Almost surely, 250838073729 is an apocalyptic number.

50838073729 is the 225473-rd square number.

50838073729 is the 112737-th centered octagonal number.

It is an amenable number.

50838073729 is a deficient number, since it is larger than the sum of its proper divisors (2821035488).

50838073729 is an frugal number, since it uses more digits than its factorization.

50838073729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23772 (or 11886 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 50838073729 in words is "fifty billion, eight hundred thirty-eight million, seventy-three thousand, seven hundred twenty-nine".

Divisors: 1 19 361 11867 225473 4283987 140825689 2675688091 50838073729