Base | Representation |
---|---|
bin | 101110001111001011… |
… | …110001110111110101 |
3 | 11202010222100022100011 |
4 | 232033023301313311 |
5 | 1303134044320010 |
6 | 34450224420221 |
7 | 3405203301145 |
oct | 561713616765 |
9 | 152128308304 |
10 | 49646870005 |
11 | 1a067400287 |
12 | 9756777671 |
13 | 48b285bc75 |
14 | 258d88a925 |
15 | 145888da8a |
hex | b8f2f1df5 |
49646870005 has 4 divisors (see below), whose sum is σ = 59576244012. Its totient is φ = 39717496000.
The previous prime is 49646869981. The next prime is 49646870017. The reversal of 49646870005 is 50007864694.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50007864694 = 2 ⋅25003932347.
It can be written as a sum of positive squares in 2 ways, for example, as 36786856401 + 12860013604 = 191799^2 + 113402^2 .
It is not a de Polignac number, because 49646870005 - 223 = 49638481397 is a prime.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4964686996 + ... + 4964687005.
It is an arithmetic number, because the mean of its divisors is an integer number (14894061003).
Almost surely, 249646870005 is an apocalyptic number.
It is an amenable number.
49646870005 is a deficient number, since it is larger than the sum of its proper divisors (9929374007).
49646870005 is an equidigital number, since it uses as much as digits as its factorization.
49646870005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9929374006.
The product of its (nonzero) digits is 1451520, while the sum is 49.
The spelling of 49646870005 in words is "forty-nine billion, six hundred forty-six million, eight hundred seventy thousand, five".
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