Base | Representation |
---|---|
bin | 111011111100000… |
… | …1111011110001101 |
3 | 12012011111011211022 |
4 | 1313320033132031 |
5 | 13104333412031 |
6 | 531323403525 |
7 | 100561122362 |
oct | 16770173615 |
9 | 5164434738 |
10 | 2011232141 |
11 | 942319526 |
12 | 4816835a5 |
13 | 2608aa9b9 |
14 | 151180469 |
15 | bb88097b |
hex | 77e0f78d |
2011232141 has 4 divisors (see below), whose sum is σ = 2129539932. Its totient is φ = 1892924352.
The previous prime is 2011232011. The next prime is 2011232147. The reversal of 2011232141 is 1412321102.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1412321102 = 2 ⋅706160551.
It can be written as a sum of positive squares in 2 ways, for example, as 1060804900 + 950427241 = 32570^2 + 30829^2 .
It is a cyclic number.
It is not a de Polignac number, because 2011232141 - 230 = 937490317 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 118307773 = 2011232141 / (2 + 0 + 1 + 1 + 2 + 3 + 2 + 1 + 4 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2011232147) 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, 59153870 + ... + 59153903.
It is an arithmetic number, because the mean of its divisors is an integer number (532384983).
Almost surely, 22011232141 is an apocalyptic number.
It is an amenable number.
2011232141 is a deficient number, since it is larger than the sum of its proper divisors (118307791).
2011232141 is a wasteful number, since it uses less digits than its factorization.
2011232141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118307790.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 2011232141 is about 44846.7628820632. The cubic root of 2011232141 is about 1262.2752500751.
Adding to 2011232141 its reverse (1412321102), we get a palindrome (3423553243).
The spelling of 2011232141 in words is "two billion, eleven million, two hundred thirty-two thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •