Base | Representation |
---|---|
bin | 1011111011101… |
… | …1011111000101 |
3 | 10111011212002020 |
4 | 2332323133011 |
5 | 100303113023 |
6 | 4544433353 |
7 | 1145266215 |
oct | 276733705 |
9 | 114155066 |
10 | 50051013 |
11 | 26286081 |
12 | 14918859 |
13 | a4a56ac |
14 | 690c245 |
15 | 45d9de3 |
hex | 2fbb7c5 |
50051013 has 16 divisors (see below), whose sum is σ = 72040320. Its totient is φ = 30814784.
The previous prime is 50050999. The next prime is 50051017. The reversal of 50051013 is 31015005.
It is a cyclic number.
It is not a de Polignac number, because 50051013 - 28 = 50050757 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 50050983 and 50051001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50051017) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10506 + ... + 14507.
It is an arithmetic number, because the mean of its divisors is an integer number (4502520).
Almost surely, 250051013 is an apocalyptic number.
It is an amenable number.
50051013 is a deficient number, since it is larger than the sum of its proper divisors (21989307).
50051013 is a wasteful number, since it uses less digits than its factorization.
50051013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25068.
The product of its (nonzero) digits is 75, while the sum is 15.
The square root of 50051013 is about 7074.6740560962. The cubic root of 50051013 is about 368.5283962783.
Adding to 50051013 its reverse (31015005), we get a palindrome (81066018).
The spelling of 50051013 in words is "fifty million, fifty-one thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •