Base | Representation |
---|---|
bin | 1011111100110… |
… | …0010111100001 |
3 | 10111022100221021 |
4 | 2333030113201 |
5 | 100312321121 |
6 | 4550125441 |
7 | 1146004630 |
oct | 277142741 |
9 | 114270837 |
10 | 50120161 |
11 | 26323023 |
12 | 14950881 |
13 | a4cb000 |
14 | 6929517 |
15 | 4600641 |
hex | 2fcc5e1 |
50120161 has 16 divisors (see below), whose sum is σ = 62070400. Its totient is φ = 39643344.
The previous prime is 50120143. The next prime is 50120177. The reversal of 50120161 is 16102105.
It is a happy number.
It is not a de Polignac number, because 50120161 - 29 = 50119649 is a prime.
It is not an unprimeable number, because it can be changed into a prime (50120111) 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, 13750 + ... + 17008.
It is an arithmetic number, because the mean of its divisors is an integer number (3879400).
Almost surely, 250120161 is an apocalyptic number.
It is an amenable number.
50120161 is a deficient number, since it is larger than the sum of its proper divisors (11950239).
50120161 is an equidigital number, since it uses as much as digits as its factorization.
50120161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3305 (or 3279 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 16.
The square root of 50120161 is about 7079.5593789444. The cubic root of 50120161 is about 368.6980317073.
Adding to 50120161 its reverse (16102105), we get a palindrome (66222266).
The spelling of 50120161 in words is "fifty million, one hundred twenty thousand, one hundred sixty-one".
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