Base | Representation |
---|---|
bin | 1000010001101000… |
… | …1000000110010101 |
3 | 12201211000220202111 |
4 | 2010122020012111 |
5 | 14022142111204 |
6 | 1004233111021 |
7 | 106022640424 |
oct | 20432100625 |
9 | 5654026674 |
10 | 2221441429 |
11 | a3aa44909 |
12 | 51bb58471 |
13 | 2952cabac |
14 | 17105d2bb |
15 | d0054d04 |
hex | 84688195 |
2221441429 has 2 divisors, whose sum is σ = 2221441430. Its totient is φ = 2221441428.
The previous prime is 2221441367. The next prime is 2221441433. The reversal of 2221441429 is 9241441222.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1813482225 + 407959204 = 42585^2 + 20198^2 .
It is a cyclic number.
It is not a de Polignac number, because 2221441429 - 213 = 2221433237 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2221441429.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2221441529) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110720714 + 1110720715.
It is an arithmetic number, because the mean of its divisors is an integer number (1110720715).
Almost surely, 22221441429 is an apocalyptic number.
It is an amenable number.
2221441429 is a deficient number, since it is larger than the sum of its proper divisors (1).
2221441429 is an equidigital number, since it uses as much as digits as its factorization.
2221441429 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 9216, while the sum is 31.
The square root of 2221441429 is about 47132.1697887971. The cubic root of 2221441429 is about 1304.8030273802.
The spelling of 2221441429 in words is "two billion, two hundred twenty-one million, four hundred forty-one thousand, four hundred twenty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •