Base | Representation |
---|---|
bin | 1011111011001… |
… | …0000010010111 |
3 | 10111002212222211 |
4 | 2332302002113 |
5 | 100300343221 |
6 | 4543534251 |
7 | 1145045326 |
oct | 276620227 |
9 | 114085884 |
10 | 50012311 |
11 | 26259a98 |
12 | 148ba387 |
13 | a490bab |
14 | 68dc0bd |
15 | 45cd6e1 |
hex | 2fb2097 |
50012311 has 4 divisors (see below), whose sum is σ = 51175432. Its totient is φ = 48849192.
The previous prime is 50012309. The next prime is 50012321. The reversal of 50012311 is 11321005.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11321005 = 5 ⋅2264201.
It is a cyclic number.
It is not a de Polignac number, because 50012311 - 21 = 50012309 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 50012291 and 50012300.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50012321) 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, 581496 + ... + 581581.
It is an arithmetic number, because the mean of its divisors is an integer number (12793858).
Almost surely, 250012311 is an apocalyptic number.
50012311 is a deficient number, since it is larger than the sum of its proper divisors (1163121).
50012311 is a wasteful number, since it uses less digits than its factorization.
50012311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1163120.
The product of its (nonzero) digits is 30, while the sum is 13.
The square root of 50012311 is about 7071.9382774456. The cubic root of 50012311 is about 368.4333834573.
Adding to 50012311 its reverse (11321005), we get a palindrome (61333316).
The spelling of 50012311 in words is "fifty million, twelve thousand, three hundred eleven".
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