Base | Representation |
---|---|
bin | 110010001011101101… |
… | …100100110001010101 |
3 | 12011002020110212101012 |
4 | 302023231210301111 |
5 | 1340323144301134 |
6 | 40430452142005 |
7 | 3615166636532 |
oct | 621355446125 |
9 | 164066425335 |
10 | 53883587669 |
11 | 20940975a3a |
12 | a539607905 |
13 | 51095224b2 |
14 | 287241dd89 |
15 | 16057c26ce |
hex | c8bb64c55 |
53883587669 has 4 divisors (see below), whose sum is σ = 54377932620. Its totient is φ = 53389242720.
The previous prime is 53883587587. The next prime is 53883587671. The reversal of 53883587669 is 96678538835.
53883587669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96678538835 = 5 ⋅19335707767.
It can be written as a sum of positive squares in 2 ways, for example, as 45908204644 + 7975383025 = 214262^2 + 89305^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-53883587669 is a prime.
It is a super-2 number, since 2×538835876692 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 53883587599 and 53883587608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53883587269) 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, 247172312 + ... + 247172529.
It is an arithmetic number, because the mean of its divisors is an integer number (13594483155).
Almost surely, 253883587669 is an apocalyptic number.
It is an amenable number.
53883587669 is a deficient number, since it is larger than the sum of its proper divisors (494344951).
53883587669 is a wasteful number, since it uses less digits than its factorization.
53883587669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 494344950.
The product of its digits is 261273600, while the sum is 68.
The spelling of 53883587669 in words is "fifty-three billion, eight hundred eighty-three million, five hundred eighty-seven thousand, six hundred sixty-nine".
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