Base | Representation |
---|---|
bin | 111111010000001… |
… | …1110111010011001 |
3 | 12110220202100102101 |
4 | 1332200132322121 |
5 | 13321321210231 |
6 | 550335203401 |
7 | 103411323445 |
oct | 17640367231 |
9 | 5426670371 |
10 | 2122444441 |
11 | 99a078a17 |
12 | 4b2976561 |
13 | 27a948ab0 |
14 | 161c4d825 |
15 | c64ec661 |
hex | 7e81ee99 |
2122444441 has 16 divisors (see below), whose sum is σ = 2422635264. Its totient is φ = 1842050304.
The previous prime is 2122444433. The next prime is 2122444463. The reversal of 2122444441 is 1444442212.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 2122444441 - 23 = 2122444433 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2122444741) 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, 239410 + ... + 248116.
It is an arithmetic number, because the mean of its divisors is an integer number (151414704).
Almost surely, 22122444441 is an apocalyptic number.
It is an amenable number.
2122444441 is a deficient number, since it is larger than the sum of its proper divisors (300190823).
2122444441 is a wasteful number, since it uses less digits than its factorization.
2122444441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9840.
The product of its digits is 8192, while the sum is 28.
The square root of 2122444441 is about 46069.9950184499. The cubic root of 2122444441 is about 1285.1252111937.
Adding to 2122444441 its reverse (1444442212), we get a palindrome (3566886653).
The spelling of 2122444441 in words is "two billion, one hundred twenty-two million, four hundred forty-four thousand, four hundred forty-one".
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