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50992878005 = 510198575601
BaseRepresentation
bin101111011111011010…
…011001000110110101
311212121210002121012022
4233133122121012311
51313413134044010
635231550202525
73453436211546
oct573732310665
9155553077168
1050992878005
111a698171a93
129a714b3445
134a686852c4
14267a5464cd
1514d6b1ad55
hexbdf6991b5

50992878005 has 4 divisors (see below), whose sum is σ = 61191453612. Its totient is φ = 40794302400.

The previous prime is 50992877993. The next prime is 50992878043. The reversal of 50992878005 is 50087829905.

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 30250253476 + 20742624529 = 173926^2 + 144023^2 .

It is not a de Polignac number, because 50992878005 - 212 = 50992873909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5099287796 + ... + 5099287805.

It is an arithmetic number, because the mean of its divisors is an integer number (15297863403).

Almost surely, 250992878005 is an apocalyptic number.

It is an amenable number.

50992878005 is a deficient number, since it is larger than the sum of its proper divisors (10198575607).

50992878005 is a wasteful number, since it uses less digits than its factorization.

50992878005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10198575606.

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 50992878005 in words is "fifty billion, nine hundred ninety-two million, eight hundred seventy-eight thousand, five".

Divisors: 1 5 10198575601 50992878005