Base | Representation |
---|---|
bin | 10111111111001… |
… | …00100010011111 |
3 | 112000121201212111 |
4 | 23333210202133 |
5 | 403002322421 |
6 | 31544414451 |
7 | 4662202030 |
oct | 1377444237 |
9 | 460551774 |
10 | 201214111 |
11 | a364215a |
12 | 57477427 |
13 | 328c0b07 |
14 | 1ca1aa87 |
15 | 129e8ee1 |
hex | bfe489f |
201214111 has 4 divisors (see below), whose sum is σ = 229958992. Its totient is φ = 172469232.
The previous prime is 201214099. The next prime is 201214133. The reversal of 201214111 is 111412102.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111412102 = 2 ⋅55706051.
It is a cyclic number.
It is not a de Polignac number, because 201214111 - 27 = 201213983 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 201214091 and 201214100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201214171) 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, 14372430 + ... + 14372443.
It is an arithmetic number, because the mean of its divisors is an integer number (57489748).
Almost surely, 2201214111 is an apocalyptic number.
201214111 is a deficient number, since it is larger than the sum of its proper divisors (28744881).
201214111 is an equidigital number, since it uses as much as digits as its factorization.
201214111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28744880.
The product of its (nonzero) digits is 16, while the sum is 13.
The square root of 201214111 is about 14184.9959816702. The cubic root of 201214111 is about 585.9845218337.
Adding to 201214111 its reverse (111412102), we get a palindrome (312626213).
The spelling of 201214111 in words is "two hundred one million, two hundred fourteen thousand, one hundred eleven".
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