Base | Representation |
---|---|
bin | 111111001111100… |
… | …1011101010010100 |
3 | 12110220010000122212 |
4 | 1332133023222110 |
5 | 13321224302234 |
6 | 550324012552 |
7 | 103405403336 |
oct | 17637135224 |
9 | 5426100585 |
10 | 2122103444 |
11 | 9999657aa |
12 | 4b2831158 |
13 | 27a859816 |
14 | 161ba1456 |
15 | c64815ce |
hex | 7e7cba94 |
2122103444 has 6 divisors (see below), whose sum is σ = 3713681034. Its totient is φ = 1061051720.
The previous prime is 2122103437. The next prime is 2122103447. The reversal of 2122103444 is 4443012212.
It can be written as a sum of positive squares in only one way, i.e., 2067520900 + 54582544 = 45470^2 + 7388^2 .
It is a super-2 number, since 2×21221034442 = 9006646054073322272, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122103447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265262927 + ... + 265262934.
It is an arithmetic number, because the mean of its divisors is an integer number (618946839).
Almost surely, 22122103444 is an apocalyptic number.
It is an amenable number.
2122103444 is a deficient number, since it is larger than the sum of its proper divisors (1591577590).
2122103444 is a wasteful number, since it uses less digits than its factorization.
2122103444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 530525865 (or 530525863 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 2122103444 is about 46066.2940119997. The cubic root of 2122103444 is about 1285.0563837442.
Adding to 2122103444 its reverse (4443012212), we get a palindrome (6565115656).
The spelling of 2122103444 in words is "two billion, one hundred twenty-two million, one hundred three thousand, four hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •