Search a number
-
+
50865785873 = 7127457125201
BaseRepresentation
bin101111010111110101…
…100100110000010001
311212021220221122120022
4233113311210300101
51313133120121443
635211210153225
73450334021550
oct572765446021
9155256848508
1050865785873
111a632456871
129a36a22815
134a48247266
142667701d97
1514ca8b3e68
hexbd7d64c11

50865785873 has 16 divisors (see below), whose sum is σ = 58718736384. Its totient is φ = 43160947200.

The previous prime is 50865785863. The next prime is 50865785881. The reversal of 50865785873 is 37858756805.

It is not a de Polignac number, because 50865785873 - 24 = 50865785857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50865785863) 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 15 ways as a sum of consecutive naturals, for example, 343673 + ... + 468873.

It is an arithmetic number, because the mean of its divisors is an integer number (3669921024).

Almost surely, 250865785873 is an apocalyptic number.

It is an amenable number.

50865785873 is a deficient number, since it is larger than the sum of its proper divisors (7852950511).

50865785873 is a wasteful number, since it uses less digits than its factorization.

50865785873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125792.

The product of its (nonzero) digits is 56448000, while the sum is 62.

The spelling of 50865785873 in words is "fifty billion, eight hundred sixty-five million, seven hundred eighty-five thousand, eight hundred seventy-three".

Divisors: 1 7 127 457 889 3199 58039 125201 406273 876407 15900527 57216857 111303689 400517999 7266540839 50865785873