Base | Representation |
---|---|
bin | 101111001100000101… |
… | …101101100000110100 |
3 | 11211210012002010010011 |
4 | 233030011231200310 |
5 | 1312232141030320 |
6 | 35135445510004 |
7 | 3442421516464 |
oct | 571405554064 |
9 | 154705063104 |
10 | 50668689460 |
11 | 1a541177374 |
12 | 99a0a12304 |
13 | 4a1646876c |
14 | 2649477ba4 |
15 | 14b843005a |
hex | bcc16d834 |
50668689460 has 24 divisors (see below), whose sum is σ = 106408751400. Its totient is φ = 20266617984.
The previous prime is 50668689457. The next prime is 50668689469. The reversal of 50668689460 is 6498686605.
It can be written as a sum of positive squares in 4 ways, for example, as 1963730596 + 48704958864 = 44314^2 + 220692^2 .
It is a junction number, because it is equal to n+sod(n) for n = 50668689395 and 50668689404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50668689469) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666942 + ... + 739018.
It is an arithmetic number, because the mean of its divisors is an integer number (4433697975).
Almost surely, 250668689460 is an apocalyptic number.
It is an amenable number.
50668689460 is an abundant number, since it is smaller than the sum of its proper divisors (55740061940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50668689460 is a wasteful number, since it uses less digits than its factorization.
50668689460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107235 (or 107233 counting only the distinct ones).
The product of its (nonzero) digits is 14929920, while the sum is 58.
The spelling of 50668689460 in words is "fifty billion, six hundred sixty-eight million, six hundred eighty-nine thousand, four hundred sixty".
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