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50775318373 = 133905793721
BaseRepresentation
bin101111010010011100…
…011101111101100101
311212001121201102111011
4233102130131331211
51312441440141443
635154215142221
73445155041113
oct572234357545
9155047642434
1050775318373
111a59638623a
129a10674971
134a325905b0
1426596b2ab3
1514c2993b9d
hexbd271df65

50775318373 has 4 divisors (see below), whose sum is σ = 54681112108. Its totient is φ = 46869524640.

The previous prime is 50775318353. The next prime is 50775318379. The reversal of 50775318373 is 37381357705.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16252935169 + 34522383204 = 127487^2 + 185802^2 .

It is a cyclic number.

It is not a de Polignac number, because 50775318373 - 29 = 50775317861 is a prime.

It is a super-2 number, since 2×507753183732 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50775318379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952896848 + ... + 1952896873.

It is an arithmetic number, because the mean of its divisors is an integer number (13670278027).

Almost surely, 250775318373 is an apocalyptic number.

It is an amenable number.

50775318373 is a deficient number, since it is larger than the sum of its proper divisors (3905793735).

50775318373 is a wasteful number, since it uses less digits than its factorization.

50775318373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905793734.

The product of its (nonzero) digits is 1852200, while the sum is 49.

The spelling of 50775318373 in words is "fifty billion, seven hundred seventy-five million, three hundred eighteen thousand, three hundred seventy-three".

Divisors: 1 13 3905793721 50775318373