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50280879677 = 77182982811
BaseRepresentation
bin101110110100111110…
…010101011000111101
311210210011100100002212
4232310332111120331
51310433401122202
635033153430205
73430002265640
oct566476253075
9153704310085
1050280879677
111a362278116
1298b2b6b365
134984004912
14260db67a57
151494378652
hexbb4f9563d

50280879677 has 4 divisors (see below), whose sum is σ = 57463862496. Its totient is φ = 43097896860.

The previous prime is 50280879647. The next prime is 50280879703. The reversal of 50280879677 is 77697808205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50280879677 - 210 = 50280878653 is a prime.

It is a super-2 number, since 2×502808796772 (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 (50280879637) 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, 3591491399 + ... + 3591491412.

It is an arithmetic number, because the mean of its divisors is an integer number (14365965624).

Almost surely, 250280879677 is an apocalyptic number.

It is an amenable number.

50280879677 is a deficient number, since it is larger than the sum of its proper divisors (7182982819).

50280879677 is an equidigital number, since it uses as much as digits as its factorization.

50280879677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7182982818.

The product of its (nonzero) digits is 11854080, while the sum is 59.

The spelling of 50280879677 in words is "fifty billion, two hundred eighty million, eight hundred seventy-nine thousand, six hundred seventy-seven".

Divisors: 1 7 7182982811 50280879677