Base | Representation |
---|---|
bin | 10000110011110… |
… | …10101010100101 |
3 | 100211100010120122 |
4 | 20121322222211 |
5 | 242044332441 |
6 | 21554211325 |
7 | 3331402412 |
oct | 1031725245 |
9 | 324303518 |
10 | 141011621 |
11 | 72663133 |
12 | 3b283b45 |
13 | 232a293a |
14 | 14a29109 |
15 | c5a634b |
hex | 867aaa5 |
141011621 has 4 divisors (see below), whose sum is σ = 141367212. Its totient is φ = 140656032.
The previous prime is 141011579. The next prime is 141011623. The reversal of 141011621 is 126110141.
141011621 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 an emirpimes, since its reverse is a distinct semiprime: 126110141 = 197 ⋅640153.
It can be written as a sum of positive squares in 2 ways, for example, as 86694721 + 54316900 = 9311^2 + 7370^2 .
It is a cyclic number.
It is not a de Polignac number, because 141011621 - 26 = 141011557 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 141011621.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (141011623) 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, 177200 + ... + 177993.
It is an arithmetic number, because the mean of its divisors is an integer number (35341803).
Almost surely, 2141011621 is an apocalyptic number.
It is an amenable number.
141011621 is a deficient number, since it is larger than the sum of its proper divisors (355591).
141011621 is an equidigital number, since it uses as much as digits as its factorization.
141011621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 355590.
The product of its (nonzero) digits is 48, while the sum is 17.
The square root of 141011621 is about 11874.8314093296. The cubic root of 141011621 is about 520.4970850730.
Adding to 141011621 its reverse (126110141), we get a palindrome (267121762).
It can be divided in two parts, 1410 and 11621, that added together give a palindrome (13031).
The spelling of 141011621 in words is "one hundred forty-one million, eleven thousand, six hundred twenty-one".
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