Base | Representation |
---|---|
bin | 101111011111011010… |
… | …011001000110110101 |
3 | 11212121210002121012022 |
4 | 233133122121012311 |
5 | 1313413134044010 |
6 | 35231550202525 |
7 | 3453436211546 |
oct | 573732310665 |
9 | 155553077168 |
10 | 50992878005 |
11 | 1a698171a93 |
12 | 9a714b3445 |
13 | 4a686852c4 |
14 | 267a5464cd |
15 | 14d6b1ad55 |
hex | bdf6991b5 |
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".
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