Base | Representation |
---|---|
bin | 111111001110010… |
… | …0101010011001110 |
3 | 12110211211101221022 |
4 | 1332130211103032 |
5 | 13321041001110 |
6 | 550301234142 |
7 | 103366534610 |
oct | 17634452316 |
9 | 5424741838 |
10 | 2121422030 |
11 | 99953a852 |
12 | 4b2562952 |
13 | 27a67b610 |
14 | 161a64db0 |
15 | c6399755 |
hex | 7e7254ce |
2121422030 has 64 divisors (see below), whose sum is σ = 4714633728. Its totient is φ = 669271680.
The previous prime is 2121421979. The next prime is 2121422057. The reversal of 2121422030 is 302241212.
2121422030 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297689 + ... + 304731.
It is an arithmetic number, because the mean of its divisors is an integer number (73666152).
Almost surely, 22121422030 is an apocalyptic number.
2121422030 is an abundant number, since it is smaller than the sum of its proper divisors (2593211698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2121422030 is a wasteful number, since it uses less digits than its factorization.
2121422030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7401.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 2121422030 is about 46058.8974032162. The cubic root of 2121422030 is about 1284.9188238223.
Adding to 2121422030 its reverse (302241212), we get a palindrome (2423663242).
The spelling of 2121422030 in words is "two billion, one hundred twenty-one million, four hundred twenty-two thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •