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50776749409 = 197271951107
BaseRepresentation
bin101111010010100001…
…111011010101100001
311212001201102010111111
4233102201323111201
51312442321440114
635154305543321
73445203151201
oct572241732541
9155051363444
1050776749409
111a597173411
129a11044b41
134a32971a69
142659966401
1514c2b77bc4
hexbd287b561

50776749409 has 8 divisors (see below), whose sum is σ = 51222872448. Its totient is φ = 50332529520.

The previous prime is 50776749407. The next prime is 50776749431. The reversal of 50776749409 is 90494767705.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50776749409 - 21 = 50776749407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50776749403) 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 7 ways as a sum of consecutive naturals, for example, 422167 + ... + 528940.

It is an arithmetic number, because the mean of its divisors is an integer number (6402859056).

Almost surely, 250776749409 is an apocalyptic number.

It is an amenable number.

50776749409 is a deficient number, since it is larger than the sum of its proper divisors (446123039).

50776749409 is a wasteful number, since it uses less digits than its factorization.

50776749409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951575.

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 50776749409 in words is "fifty billion, seven hundred seventy-six million, seven hundred forty-nine thousand, four hundred nine".

Divisors: 1 197 271 53387 951107 187368079 257749997 50776749409