Base | Representation |
---|---|
bin | 101110101100111000… |
… | …000010001101001111 |
3 | 11210102200200110122112 |
4 | 232230320002031033 |
5 | 1310144110314021 |
6 | 35011501334235 |
7 | 3423432361631 |
oct | 565470021517 |
9 | 153380613575 |
10 | 50145010511 |
11 | 1a2a2607652 |
12 | 987556737b |
13 | 4961b1286b |
14 | 25d9abaa51 |
15 | 148748ad5b |
hex | bace0234f |
50145010511 has 4 divisors (see below), whose sum is σ = 50145542352. Its totient is φ = 50144478672.
The previous prime is 50145010507. The next prime is 50145010523. The reversal of 50145010511 is 11501054105.
50145010511 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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 11501054105 = 5 ⋅2300210821.
It is a cyclic number.
It is not a de Polignac number, because 50145010511 - 22 = 50145010507 is a prime.
It is a super-2 number, since 2×501450105112 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50145010561) 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, 82166 + ... + 327171.
It is an arithmetic number, because the mean of its divisors is an integer number (12536385588).
Almost surely, 250145010511 is an apocalyptic number.
50145010511 is a deficient number, since it is larger than the sum of its proper divisors (531841).
50145010511 is a wasteful number, since it uses less digits than its factorization.
50145010511 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 531840.
The product of its (nonzero) digits is 500, while the sum is 23.
Adding to 50145010511 its reverse (11501054105), we get a palindrome (61646064616).
The spelling of 50145010511 in words is "fifty billion, one hundred forty-five million, ten thousand, five hundred eleven".
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