Base | Representation |
---|---|
bin | 1011111011000… |
… | …1111111001111 |
3 | 10111002212201102 |
4 | 2332301333033 |
5 | 100300341421 |
6 | 4543533315 |
7 | 1145044622 |
oct | 276617717 |
9 | 114085642 |
10 | 50012111 |
11 | 26259926 |
12 | 148ba23b |
13 | a490a86 |
14 | 68dbdb9 |
15 | 45cd60b |
hex | 2fb1fcf |
50012111 has 4 divisors (see below), whose sum is σ = 50134800. Its totient is φ = 49889424.
The previous prime is 50012107. The next prime is 50012119. The reversal of 50012111 is 11121005.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 50012111 - 22 = 50012107 is a prime.
It is a super-2 number, since 2×500121112 = 5002422493352642, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 50012092 and 50012101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50012119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60731 + ... + 61548.
It is an arithmetic number, because the mean of its divisors is an integer number (12533700).
Almost surely, 250012111 is an apocalyptic number.
50012111 is a deficient number, since it is larger than the sum of its proper divisors (122689).
50012111 is a wasteful number, since it uses less digits than its factorization.
50012111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122688.
The product of its (nonzero) digits is 10, while the sum is 11.
The square root of 50012111 is about 7071.9241370365. The cubic root of 50012111 is about 368.4328923331.
Adding to 50012111 its reverse (11121005), we get a palindrome (61133116).
The spelling of 50012111 in words is "fifty million, twelve thousand, one hundred eleven".
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