Base | Representation |
---|---|
bin | 1000010001101000… |
… | …1000110000000101 |
3 | 12201211001001102110 |
4 | 2010122020300011 |
5 | 14022142202401 |
6 | 1004233131233 |
7 | 106022651262 |
oct | 20432106005 |
9 | 5654031373 |
10 | 2221444101 |
11 | a3aa46918 |
12 | 51bb59b19 |
13 | 2952cc186 |
14 | 171060269 |
15 | d00559d6 |
hex | 84688c05 |
2221444101 has 8 divisors (see below), whose sum is σ = 2962349280. Its totient is φ = 1480750832.
The previous prime is 2221444079. The next prime is 2221444103. The reversal of 2221444101 is 1014441222.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2221444101 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221444103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26646 + ... + 71783.
It is an arithmetic number, because the mean of its divisors is an integer number (370293660).
Almost surely, 22221444101 is an apocalyptic number.
It is an amenable number.
2221444101 is a deficient number, since it is larger than the sum of its proper divisors (740905179).
2221444101 is an equidigital number, since it uses as much as digits as its factorization.
2221444101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105955.
The product of its (nonzero) digits is 512, while the sum is 21.
The square root of 2221444101 is about 47132.1981346086. The cubic root of 2221444101 is about 1304.8035505289.
Adding to 2221444101 its reverse (1014441222), we get a palindrome (3235885323).
The spelling of 2221444101 in words is "two billion, two hundred twenty-one million, four hundred forty-four thousand, one hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •